Home / 434,534.10-651,833.55-154,014.90

Finding the Fourth Proportional to 434,534.10, 651,833.55 and 154,014.90

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Solution

The fourth proportional to 434,534.10, 651,833.55 and 154,014.90 is: 231,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,534.10 : 651,833.55 = 154,014.90 : x
  2. Step 2: Convert to fraction form
    434,534.10/651,833.55 = 154,014.90/x
  3. Step 3: Cross multiply
    434,534.10x = 651,833.55 × 154,014.90
  4. Step 4: Simplify right side
    434,534.10x = 100,392,079,019.90
  5. Step 5: Solve for x
    x = 100,392,079,019.90/434,534.10
  6. Step 6: Final answer
    x = 231,033.83

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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.