Home / 386,123.02-532,849.90-235,220.02

Finding the Fourth Proportional to 386,123.02, 532,849.90 and 235,220.02

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Solution

The fourth proportional to 386,123.02, 532,849.90 and 235,220.02 is: 324,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,123.02 : 532,849.90 = 235,220.02 : x
  2. Step 2: Convert to fraction form
    386,123.02/532,849.90 = 235,220.02/x
  3. Step 3: Cross multiply
    386,123.02x = 532,849.90 × 235,220.02
  4. Step 4: Simplify right side
    386,123.02x = 125,336,964,135.00
  5. Step 5: Solve for x
    x = 125,336,964,135.00/386,123.02
  6. Step 6: Final answer
    x = 324,603.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.