Home / 252,499.06-378,683.79-74,964.88

Finding the Fourth Proportional to 252,499.06, 378,683.79 and 74,964.88

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Solution

The fourth proportional to 252,499.06, 378,683.79 and 74,964.88 is: 112,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,499.06 : 378,683.79 = 74,964.88 : x
  2. Step 2: Convert to fraction form
    252,499.06/378,683.79 = 74,964.88/x
  3. Step 3: Cross multiply
    252,499.06x = 378,683.79 × 74,964.88
  4. Step 4: Simplify right side
    252,499.06x = 28,387,984,875.30
  5. Step 5: Solve for x
    x = 28,387,984,875.30/252,499.06
  6. Step 6: Final answer
    x = 112,428.08

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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.