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Finding the Fourth Proportional to 503,373.72, 755,191.28 and 187,833

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Solution

The fourth proportional to 503,373.72, 755,191.28 and 187,833 is: 281,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,373.72 : 755,191.28 = 187,833 : x
  2. Step 2: Convert to fraction form
    503,373.72/755,191.28 = 187,833/x
  3. Step 3: Cross multiply
    503,373.72x = 755,191.28 × 187,833
  4. Step 4: Simplify right side
    503,373.72x = 141,849,843,696.24
  5. Step 5: Solve for x
    x = 141,849,843,696.24/503,373.72
  6. Step 6: Final answer
    x = 281,798.27

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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.