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Finding the Fourth Proportional to 440,363.12, 660,798.91 and 237,959.91

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Solution

The fourth proportional to 440,363.12, 660,798.91 and 237,959.91 is: 357,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,363.12 : 660,798.91 = 237,959.91 : x
  2. Step 2: Convert to fraction form
    440,363.12/660,798.91 = 237,959.91/x
  3. Step 3: Cross multiply
    440,363.12x = 660,798.91 × 237,959.91
  4. Step 4: Simplify right side
    440,363.12x = 157,243,649,449.15
  5. Step 5: Solve for x
    x = 157,243,649,449.15/440,363.12
  6. Step 6: Final answer
    x = 357,077.25

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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.