Home / 331,332.40-457,243.92-180,429.28

Finding the Fourth Proportional to 331,332.40, 457,243.92 and 180,429.28

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Solution

The fourth proportional to 331,332.40, 457,243.92 and 180,429.28 is: 248,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,332.40 : 457,243.92 = 180,429.28 : x
  2. Step 2: Convert to fraction form
    331,332.40/457,243.92 = 180,429.28/x
  3. Step 3: Cross multiply
    331,332.40x = 457,243.92 × 180,429.28
  4. Step 4: Simplify right side
    331,332.40x = 82,500,191,269.98
  5. Step 5: Solve for x
    x = 82,500,191,269.98/331,332.40
  6. Step 6: Final answer
    x = 248,995.24

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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.