Home / 434,228.39-651,311.38-134,701.20

Finding the Fourth Proportional to 434,228.39, 651,311.38 and 134,701.20

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Solution

The fourth proportional to 434,228.39, 651,311.38 and 134,701.20 is: 202,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,228.39 : 651,311.38 = 134,701.20 : x
  2. Step 2: Convert to fraction form
    434,228.39/651,311.38 = 134,701.20/x
  3. Step 3: Cross multiply
    434,228.39x = 651,311.38 × 134,701.20
  4. Step 4: Simplify right side
    434,228.39x = 87,732,426,459.85
  5. Step 5: Solve for x
    x = 87,732,426,459.85/434,228.39
  6. Step 6: Final answer
    x = 202,042.12

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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.