Home / 495,915.32-744,189.78-180,342.20

Finding the Fourth Proportional to 495,915.32, 744,189.78 and 180,342.20

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Solution

The fourth proportional to 495,915.32, 744,189.78 and 180,342.20 is: 270,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,915.32 : 744,189.78 = 180,342.20 : x
  2. Step 2: Convert to fraction form
    495,915.32/744,189.78 = 180,342.20/x
  3. Step 3: Cross multiply
    495,915.32x = 744,189.78 × 180,342.20
  4. Step 4: Simplify right side
    495,915.32x = 134,208,822,142.72
  5. Step 5: Solve for x
    x = 134,208,822,142.72/495,915.32
  6. Step 6: Final answer
    x = 270,628.51

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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.