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Finding the Fourth Proportional to 202,624.61, 303,970.28 and 84,304.26

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Solution

The fourth proportional to 202,624.61, 303,970.28 and 84,304.26 is: 126,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,624.61 : 303,970.28 = 84,304.26 : x
  2. Step 2: Convert to fraction form
    202,624.61/303,970.28 = 84,304.26/x
  3. Step 3: Cross multiply
    202,624.61x = 303,970.28 × 84,304.26
  4. Step 4: Simplify right side
    202,624.61x = 25,625,989,095.87
  5. Step 5: Solve for x
    x = 25,625,989,095.87/202,624.61
  6. Step 6: Final answer
    x = 126,470.27

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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.