Home / 316,313.40-474,470.10-129,281.16

Finding the Fourth Proportional to 316,313.40, 474,470.10 and 129,281.16

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Solution

The fourth proportional to 316,313.40, 474,470.10 and 129,281.16 is: 193,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,313.40 : 474,470.10 = 129,281.16 : x
  2. Step 2: Convert to fraction form
    316,313.40/474,470.10 = 129,281.16/x
  3. Step 3: Cross multiply
    316,313.40x = 474,470.10 × 129,281.16
  4. Step 4: Simplify right side
    316,313.40x = 61,340,044,913.32
  5. Step 5: Solve for x
    x = 61,340,044,913.32/316,313.40
  6. Step 6: Final answer
    x = 193,921.74

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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.