Home / 434,229.39-651,312.88-134,702.20

Finding the Fourth Proportional to 434,229.39, 651,312.88 and 134,702.20

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Solution

The fourth proportional to 434,229.39, 651,312.88 and 134,702.20 is: 202,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,229.39 : 651,312.88 = 134,702.20 : x
  2. Step 2: Convert to fraction form
    434,229.39/651,312.88 = 134,702.20/x
  3. Step 3: Cross multiply
    434,229.39x = 651,312.88 × 134,702.20
  4. Step 4: Simplify right side
    434,229.39x = 87,733,277,824.34
  5. Step 5: Solve for x
    x = 87,733,277,824.34/434,229.39
  6. Step 6: Final answer
    x = 202,043.62

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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.