Home / 335,154.30-502,448.22-145,471.20

Finding the Fourth Proportional to 335,154.30, 502,448.22 and 145,471.20

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Solution

The fourth proportional to 335,154.30, 502,448.22 and 145,471.20 is: 218,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,154.30 : 502,448.22 = 145,471.20 : x
  2. Step 2: Convert to fraction form
    335,154.30/502,448.22 = 145,471.20/x
  3. Step 3: Cross multiply
    335,154.30x = 502,448.22 × 145,471.20
  4. Step 4: Simplify right side
    335,154.30x = 73,091,745,501.26
  5. Step 5: Solve for x
    x = 73,091,745,501.26/335,154.30
  6. Step 6: Final answer
    x = 218,083.87

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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.