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Finding the Fourth Proportional to 297,324.70, 446,055.15 and 128,873.30

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Solution

The fourth proportional to 297,324.70, 446,055.15 and 128,873.30 is: 193,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,324.70 : 446,055.15 = 128,873.30 : x
  2. Step 2: Convert to fraction form
    297,324.70/446,055.15 = 128,873.30/x
  3. Step 3: Cross multiply
    297,324.70x = 446,055.15 × 128,873.30
  4. Step 4: Simplify right side
    297,324.70x = 57,484,599,162.50
  5. Step 5: Solve for x
    x = 57,484,599,162.50/297,324.70
  6. Step 6: Final answer
    x = 193,339.47

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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.