Home / 382,921.16-577,248.65-357,231.20

Finding the Fourth Proportional to 382,921.16, 577,248.65 and 357,231.20

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Solution

The fourth proportional to 382,921.16, 577,248.65 and 357,231.20 is: 538,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,921.16 : 577,248.65 = 357,231.20 : x
  2. Step 2: Convert to fraction form
    382,921.16/577,248.65 = 357,231.20/x
  3. Step 3: Cross multiply
    382,921.16x = 577,248.65 × 357,231.20
  4. Step 4: Simplify right side
    382,921.16x = 206,211,227,937.88
  5. Step 5: Solve for x
    x = 206,211,227,937.88/382,921.16
  6. Step 6: Final answer
    x = 538,521.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.