Home / 331,314.12-457,232.73-249,495.90

Finding the Fourth Proportional to 331,314.12, 457,232.73 and 249,495.90

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Solution

The fourth proportional to 331,314.12, 457,232.73 and 249,495.90 is: 344,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,314.12 : 457,232.73 = 249,495.90 : x
  2. Step 2: Convert to fraction form
    331,314.12/457,232.73 = 249,495.90/x
  3. Step 3: Cross multiply
    331,314.12x = 457,232.73 × 249,495.90
  4. Step 4: Simplify right side
    331,314.12x = 114,077,691,480.81
  5. Step 5: Solve for x
    x = 114,077,691,480.81/331,314.12
  6. Step 6: Final answer
    x = 344,318.83

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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.