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Finding the Fourth Proportional to 345,522.29, 476,602.52 and 237,905.42

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Solution

The fourth proportional to 345,522.29, 476,602.52 and 237,905.42 is: 328,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,522.29 : 476,602.52 = 237,905.42 : x
  2. Step 2: Convert to fraction form
    345,522.29/476,602.52 = 237,905.42/x
  3. Step 3: Cross multiply
    345,522.29x = 476,602.52 × 237,905.42
  4. Step 4: Simplify right side
    345,522.29x = 113,386,319,121.12
  5. Step 5: Solve for x
    x = 113,386,319,121.12/345,522.29
  6. Step 6: Final answer
    x = 328,159.21

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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.