Home / 451,631.72-623,320.05-258,080.17

Finding the Fourth Proportional to 451,631.72, 623,320.05 and 258,080.17

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Solution

The fourth proportional to 451,631.72, 623,320.05 and 258,080.17 is: 356,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,631.72 : 623,320.05 = 258,080.17 : x
  2. Step 2: Convert to fraction form
    451,631.72/623,320.05 = 258,080.17/x
  3. Step 3: Cross multiply
    451,631.72x = 623,320.05 × 258,080.17
  4. Step 4: Simplify right side
    451,631.72x = 160,866,543,594.93
  5. Step 5: Solve for x
    x = 160,866,543,594.93/451,631.72
  6. Step 6: Final answer
    x = 356,189.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.