Home / 434,585.10-651,942.45-154,080.30

Finding the Fourth Proportional to 434,585.10, 651,942.45 and 154,080.30

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Solution

The fourth proportional to 434,585.10, 651,942.45 and 154,080.30 is: 231,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,585.10 : 651,942.45 = 154,080.30 : x
  2. Step 2: Convert to fraction form
    434,585.10/651,942.45 = 154,080.30/x
  3. Step 3: Cross multiply
    434,585.10x = 651,942.45 × 154,080.30
  4. Step 4: Simplify right side
    434,585.10x = 100,451,488,278.74
  5. Step 5: Solve for x
    x = 100,451,488,278.74/434,585.10
  6. Step 6: Final answer
    x = 231,143.42

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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.