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Finding the Fourth Proportional to 438,680.10, 605,380.47 and 237,476.10

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Solution

The fourth proportional to 438,680.10, 605,380.47 and 237,476.10 is: 327,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,680.10 : 605,380.47 = 237,476.10 : x
  2. Step 2: Convert to fraction form
    438,680.10/605,380.47 = 237,476.10/x
  3. Step 3: Cross multiply
    438,680.10x = 605,380.47 × 237,476.10
  4. Step 4: Simplify right side
    438,680.10x = 143,763,393,031.77
  5. Step 5: Solve for x
    x = 143,763,393,031.77/438,680.10
  6. Step 6: Final answer
    x = 327,718.06

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1.5x scale

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.