Home / 316,253.56-474,372.45-147,962.18

Finding the Fourth Proportional to 316,253.56, 474,372.45 and 147,962.18

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Solution

The fourth proportional to 316,253.56, 474,372.45 and 147,962.18 is: 221,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,253.56 : 474,372.45 = 147,962.18 : x
  2. Step 2: Convert to fraction form
    316,253.56/474,372.45 = 147,962.18/x
  3. Step 3: Cross multiply
    316,253.56x = 474,372.45 × 147,962.18
  4. Step 4: Simplify right side
    316,253.56x = 70,189,181,833.94
  5. Step 5: Solve for x
    x = 70,189,181,833.94/316,253.56
  6. Step 6: Final answer
    x = 221,939.58

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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.