Home / 316,218.90-473,344.20-182,702.55

Finding the Fourth Proportional to 316,218.90, 473,344.20 and 182,702.55

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Solution

The fourth proportional to 316,218.90, 473,344.20 and 182,702.55 is: 273,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,218.90 : 473,344.20 = 182,702.55 : x
  2. Step 2: Convert to fraction form
    316,218.90/473,344.20 = 182,702.55/x
  3. Step 3: Cross multiply
    316,218.90x = 473,344.20 × 182,702.55
  4. Step 4: Simplify right side
    316,218.90x = 86,481,192,367.71
  5. Step 5: Solve for x
    x = 86,481,192,367.71/316,218.90
  6. Step 6: Final answer
    x = 273,485.21

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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.