Home / 224,541.65-309,341.13-156,435.44

Finding the Fourth Proportional to 224,541.65, 309,341.13 and 156,435.44

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Solution

The fourth proportional to 224,541.65, 309,341.13 and 156,435.44 is: 215,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,541.65 : 309,341.13 = 156,435.44 : x
  2. Step 2: Convert to fraction form
    224,541.65/309,341.13 = 156,435.44/x
  3. Step 3: Cross multiply
    224,541.65x = 309,341.13 × 156,435.44
  4. Step 4: Simplify right side
    224,541.65x = 48,391,913,648.31
  5. Step 5: Solve for x
    x = 48,391,913,648.31/224,541.65
  6. Step 6: Final answer
    x = 215,514.20

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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.