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Finding the Fourth Proportional to 440,262, 607,561.56 and 239,058

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Solution

The fourth proportional to 440,262, 607,561.56 and 239,058 is: 329,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,262 : 607,561.56 = 239,058 : x
  2. Step 2: Convert to fraction form
    440,262/607,561.56 = 239,058/x
  3. Step 3: Cross multiply
    440,262x = 607,561.56 × 239,058
  4. Step 4: Simplify right side
    440,262x = 145,242,451,410.48
  5. Step 5: Solve for x
    x = 145,242,451,410.48/440,262
  6. Step 6: Final answer
    x = 329,900.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.