Home / 388,284.18-582,426.51-107,801.46

Finding the Fourth Proportional to 388,284.18, 582,426.51 and 107,801.46

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Solution

The fourth proportional to 388,284.18, 582,426.51 and 107,801.46 is: 161,702.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,284.18 : 582,426.51 = 107,801.46 : x
  2. Step 2: Convert to fraction form
    388,284.18/582,426.51 = 107,801.46/x
  3. Step 3: Cross multiply
    388,284.18x = 582,426.51 × 107,801.46
  4. Step 4: Simplify right side
    388,284.18x = 62,786,428,120.70
  5. Step 5: Solve for x
    x = 62,786,428,120.70/388,284.18
  6. Step 6: Final answer
    x = 161,702.26

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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.