Home / 314,981.70-472,472.55-182,121.45

Finding the Fourth Proportional to 314,981.70, 472,472.55 and 182,121.45

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Solution

The fourth proportional to 314,981.70, 472,472.55 and 182,121.45 is: 273,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,981.70 : 472,472.55 = 182,121.45 : x
  2. Step 2: Convert to fraction form
    314,981.70/472,472.55 = 182,121.45/x
  3. Step 3: Cross multiply
    314,981.70x = 472,472.55 × 182,121.45
  4. Step 4: Simplify right side
    314,981.70x = 86,047,385,891.20
  5. Step 5: Solve for x
    x = 86,047,385,891.20/314,981.70
  6. Step 6: Final answer
    x = 273,182.18

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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.