Home / 430,197.66-645,382.68-240,927.24

Finding the Fourth Proportional to 430,197.66, 645,382.68 and 240,927.24

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Solution

The fourth proportional to 430,197.66, 645,382.68 and 240,927.24 is: 361,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,197.66 : 645,382.68 = 240,927.24 : x
  2. Step 2: Convert to fraction form
    430,197.66/645,382.68 = 240,927.24/x
  3. Step 3: Cross multiply
    430,197.66x = 645,382.68 × 240,927.24
  4. Step 4: Simplify right side
    430,197.66x = 155,490,267,836.20
  5. Step 5: Solve for x
    x = 155,490,267,836.20/430,197.66
  6. Step 6: Final answer
    x = 361,439.13

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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.