Home / 382,335.16-573,508.14-145,690.78

Finding the Fourth Proportional to 382,335.16, 573,508.14 and 145,690.78

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Solution

The fourth proportional to 382,335.16, 573,508.14 and 145,690.78 is: 218,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,335.16 : 573,508.14 = 145,690.78 : x
  2. Step 2: Convert to fraction form
    382,335.16/573,508.14 = 145,690.78/x
  3. Step 3: Cross multiply
    382,335.16x = 573,508.14 × 145,690.78
  4. Step 4: Simplify right side
    382,335.16x = 83,554,848,252.95
  5. Step 5: Solve for x
    x = 83,554,848,252.95/382,335.16
  6. Step 6: Final answer
    x = 218,538.23

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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.