Home / 331,543.13-457,529.51-180,640.13

Finding the Fourth Proportional to 331,543.13, 457,529.51 and 180,640.13

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Solution

The fourth proportional to 331,543.13, 457,529.51 and 180,640.13 is: 249,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,543.13 : 457,529.51 = 180,640.13 : x
  2. Step 2: Convert to fraction form
    331,543.13/457,529.51 = 180,640.13/x
  3. Step 3: Cross multiply
    331,543.13x = 457,529.51 × 180,640.13
  4. Step 4: Simplify right side
    331,543.13x = 82,648,188,329.19
  5. Step 5: Solve for x
    x = 82,648,188,329.19/331,543.13
  6. Step 6: Final answer
    x = 249,283.37

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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.