Home / 331,382.40-457,312.92-180,479.28

Finding the Fourth Proportional to 331,382.40, 457,312.92 and 180,479.28

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Solution

The fourth proportional to 331,382.40, 457,312.92 and 180,479.28 is: 249,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,382.40 : 457,312.92 = 180,479.28 : x
  2. Step 2: Convert to fraction form
    331,382.40/457,312.92 = 180,479.28/x
  3. Step 3: Cross multiply
    331,382.40x = 457,312.92 × 180,479.28
  4. Step 4: Simplify right side
    331,382.40x = 82,535,506,536.30
  5. Step 5: Solve for x
    x = 82,535,506,536.30/331,382.40
  6. Step 6: Final answer
    x = 249,064.24

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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.