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Finding the Fourth Proportional to 503,293.86, 754,707.48 and 187,666.02

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Solution

The fourth proportional to 503,293.86, 754,707.48 and 187,666.02 is: 281,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,293.86 : 754,707.48 = 187,666.02 : x
  2. Step 2: Convert to fraction form
    503,293.86/754,707.48 = 187,666.02/x
  3. Step 3: Cross multiply
    503,293.86x = 754,707.48 × 187,666.02
  4. Step 4: Simplify right side
    503,293.86x = 141,632,949,035.83
  5. Step 5: Solve for x
    x = 141,632,949,035.83/503,293.86
  6. Step 6: Final answer
    x = 281,412.03

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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.