Home / 388,374.88-582,788.68-163,721.52

Finding the Fourth Proportional to 388,374.88, 582,788.68 and 163,721.52

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Solution

The fourth proportional to 388,374.88, 582,788.68 and 163,721.52 is: 245,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,374.88 : 582,788.68 = 163,721.52 : x
  2. Step 2: Convert to fraction form
    388,374.88/582,788.68 = 163,721.52/x
  3. Step 3: Cross multiply
    388,374.88x = 582,788.68 × 163,721.52
  4. Step 4: Simplify right side
    388,374.88x = 95,415,048,528.39
  5. Step 5: Solve for x
    x = 95,415,048,528.39/388,374.88
  6. Step 6: Final answer
    x = 245,677.70

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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.