Home / 386,159.45-532,792.05-304,233.38

Finding the Fourth Proportional to 386,159.45, 532,792.05 and 304,233.38

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Solution

The fourth proportional to 386,159.45, 532,792.05 and 304,233.38 is: 419,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,159.45 : 532,792.05 = 304,233.38 : x
  2. Step 2: Convert to fraction form
    386,159.45/532,792.05 = 304,233.38/x
  3. Step 3: Cross multiply
    386,159.45x = 532,792.05 × 304,233.38
  4. Step 4: Simplify right side
    386,159.45x = 162,093,123,544.67
  5. Step 5: Solve for x
    x = 162,093,123,544.67/386,159.45
  6. Step 6: Final answer
    x = 419,756.98

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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.