Home / 646,937.80-970,061.10-226,227.40

Finding the Fourth Proportional to 646,937.80, 970,061.10 and 226,227.40

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Solution

The fourth proportional to 646,937.80, 970,061.10 and 226,227.40 is: 339,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,937.80 : 970,061.10 = 226,227.40 : x
  2. Step 2: Convert to fraction form
    646,937.80/970,061.10 = 226,227.40/x
  3. Step 3: Cross multiply
    646,937.80x = 970,061.10 × 226,227.40
  4. Step 4: Simplify right side
    646,937.80x = 219,454,400,494.14
  5. Step 5: Solve for x
    x = 219,454,400,494.14/646,937.80
  6. Step 6: Final answer
    x = 339,220.25

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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.