Home / 442,045.20-662,997.40-146,557.20

Finding the Fourth Proportional to 442,045.20, 662,997.40 and 146,557.20

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Solution

The fourth proportional to 442,045.20, 662,997.40 and 146,557.20 is: 219,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,045.20 : 662,997.40 = 146,557.20 : x
  2. Step 2: Convert to fraction form
    442,045.20/662,997.40 = 146,557.20/x
  3. Step 3: Cross multiply
    442,045.20x = 662,997.40 × 146,557.20
  4. Step 4: Simplify right side
    442,045.20x = 97,167,042,551.28
  5. Step 5: Solve for x
    x = 97,167,042,551.28/442,045.20
  6. Step 6: Final answer
    x = 219,812.46

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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.