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Finding the Fourth Proportional to 473,843.10, 710,557.29 and 141,352.86

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Solution

The fourth proportional to 473,843.10, 710,557.29 and 141,352.86 is: 211,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,843.10 : 710,557.29 = 141,352.86 : x
  2. Step 2: Convert to fraction form
    473,843.10/710,557.29 = 141,352.86/x
  3. Step 3: Cross multiply
    473,843.10x = 710,557.29 × 141,352.86
  4. Step 4: Simplify right side
    473,843.10x = 100,439,305,135.35
  5. Step 5: Solve for x
    x = 100,439,305,135.35/473,843.10
  6. Step 6: Final answer
    x = 211,967.43

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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.