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Finding the Fourth Proportional to 341,507.20, 512,552.40 and 152,258.80

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Solution

The fourth proportional to 341,507.20, 512,552.40 and 152,258.80 is: 228,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,507.20 : 512,552.40 = 152,258.80 : x
  2. Step 2: Convert to fraction form
    341,507.20/512,552.40 = 152,258.80/x
  3. Step 3: Cross multiply
    341,507.20x = 512,552.40 × 152,258.80
  4. Step 4: Simplify right side
    341,507.20x = 78,040,613,361.12
  5. Step 5: Solve for x
    x = 78,040,613,361.12/341,507.20
  6. Step 6: Final answer
    x = 228,518.21

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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.