Home / 331,178.10-456,013.71-249,624.87

Finding the Fourth Proportional to 331,178.10, 456,013.71 and 249,624.87

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Solution

The fourth proportional to 331,178.10, 456,013.71 and 249,624.87 is: 343,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,178.10 : 456,013.71 = 249,624.87 : x
  2. Step 2: Convert to fraction form
    331,178.10/456,013.71 = 249,624.87/x
  3. Step 3: Cross multiply
    331,178.10x = 456,013.71 × 249,624.87
  4. Step 4: Simplify right side
    331,178.10x = 113,832,363,076.97
  5. Step 5: Solve for x
    x = 113,832,363,076.97/331,178.10
  6. Step 6: Final answer
    x = 343,719.48

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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.