Home / 434,234.40-651,320.36-134,707.20

Finding the Fourth Proportional to 434,234.40, 651,320.36 and 134,707.20

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Solution

The fourth proportional to 434,234.40, 651,320.36 and 134,707.20 is: 202,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,234.40 : 651,320.36 = 134,707.20 : x
  2. Step 2: Convert to fraction form
    434,234.40/651,320.36 = 134,707.20/x
  3. Step 3: Cross multiply
    434,234.40x = 651,320.36 × 134,707.20
  4. Step 4: Simplify right side
    434,234.40x = 87,737,541,998.59
  5. Step 5: Solve for x
    x = 87,737,541,998.59/434,234.40
  6. Step 6: Final answer
    x = 202,051.11

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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.