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Finding the Fourth Proportional to 546,746.70, 820,120.05 and 251,258.70

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Solution

The fourth proportional to 546,746.70, 820,120.05 and 251,258.70 is: 376,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,746.70 : 820,120.05 = 251,258.70 : x
  2. Step 2: Convert to fraction form
    546,746.70/820,120.05 = 251,258.70/x
  3. Step 3: Cross multiply
    546,746.70x = 820,120.05 × 251,258.70
  4. Step 4: Simplify right side
    546,746.70x = 206,062,297,606.94
  5. Step 5: Solve for x
    x = 206,062,297,606.94/546,746.70
  6. Step 6: Final answer
    x = 376,888.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.