Home / 316,572.28-474,883.12-91,936.40

Finding the Fourth Proportional to 316,572.28, 474,883.12 and 91,936.40

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Solution

The fourth proportional to 316,572.28, 474,883.12 and 91,936.40 is: 137,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,572.28 : 474,883.12 = 91,936.40 : x
  2. Step 2: Convert to fraction form
    316,572.28/474,883.12 = 91,936.40/x
  3. Step 3: Cross multiply
    316,572.28x = 474,883.12 × 91,936.40
  4. Step 4: Simplify right side
    316,572.28x = 43,659,044,473.57
  5. Step 5: Solve for x
    x = 43,659,044,473.57/316,572.28
  6. Step 6: Final answer
    x = 137,911.77

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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.