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Finding the Fourth Proportional to 573,157.12, 859,839.45 and 236,013.91

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Solution

The fourth proportional to 573,157.12, 859,839.45 and 236,013.91 is: 354,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,157.12 : 859,839.45 = 236,013.91 : x
  2. Step 2: Convert to fraction form
    573,157.12/859,839.45 = 236,013.91/x
  3. Step 3: Cross multiply
    573,157.12x = 859,839.45 × 236,013.91
  4. Step 4: Simplify right side
    573,157.12x = 202,934,071,277.98
  5. Step 5: Solve for x
    x = 202,934,071,277.98/573,157.12
  6. Step 6: Final answer
    x = 354,063.60

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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.