Home / 331,408.07-457,342.98-180,505.07

Finding the Fourth Proportional to 331,408.07, 457,342.98 and 180,505.07

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Solution

The fourth proportional to 331,408.07, 457,342.98 and 180,505.07 is: 249,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,408.07 : 457,342.98 = 180,505.07 : x
  2. Step 2: Convert to fraction form
    331,408.07/457,342.98 = 180,505.07/x
  3. Step 3: Cross multiply
    331,408.07x = 457,342.98 × 180,505.07
  4. Step 4: Simplify right side
    331,408.07x = 82,552,726,618.91
  5. Step 5: Solve for x
    x = 82,552,726,618.91/331,408.07
  6. Step 6: Final answer
    x = 249,096.91

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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.