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Finding the Fourth Proportional to 500,538.51, 750,285.52 and 247,661.17

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Solution

The fourth proportional to 500,538.51, 750,285.52 and 247,661.17 is: 371,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,538.51 : 750,285.52 = 247,661.17 : x
  2. Step 2: Convert to fraction form
    500,538.51/750,285.52 = 247,661.17/x
  3. Step 3: Cross multiply
    500,538.51x = 750,285.52 × 247,661.17
  4. Step 4: Simplify right side
    500,538.51x = 185,816,587,222.39
  5. Step 5: Solve for x
    x = 185,816,587,222.39/500,538.51
  6. Step 6: Final answer
    x = 371,233.35

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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.