Home / 495,283.72-743,032.26-153,720.04

Finding the Fourth Proportional to 495,283.72, 743,032.26 and 153,720.04

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Solution

The fourth proportional to 495,283.72, 743,032.26 and 153,720.04 is: 230,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,283.72 : 743,032.26 = 153,720.04 : x
  2. Step 2: Convert to fraction form
    495,283.72/743,032.26 = 153,720.04/x
  3. Step 3: Cross multiply
    495,283.72x = 743,032.26 × 153,720.04
  4. Step 4: Simplify right side
    495,283.72x = 114,218,948,728.49
  5. Step 5: Solve for x
    x = 114,218,948,728.49/495,283.72
  6. Step 6: Final answer
    x = 230,613.17

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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.