Home / 229,723.80-344,585.70-139,522.20

Finding the Fourth Proportional to 229,723.80, 344,585.70 and 139,522.20

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Solution

The fourth proportional to 229,723.80, 344,585.70 and 139,522.20 is: 209,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,723.80 : 344,585.70 = 139,522.20 : x
  2. Step 2: Convert to fraction form
    229,723.80/344,585.70 = 139,522.20/x
  3. Step 3: Cross multiply
    229,723.80x = 344,585.70 × 139,522.20
  4. Step 4: Simplify right side
    229,723.80x = 48,077,354,952.54
  5. Step 5: Solve for x
    x = 48,077,354,952.54/229,723.80
  6. Step 6: Final answer
    x = 209,283.30

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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.