Home / 389,537.64-584,382.20-149,634

Finding the Fourth Proportional to 389,537.64, 584,382.20 and 149,634

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Solution

The fourth proportional to 389,537.64, 584,382.20 and 149,634 is: 224,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,537.64 : 584,382.20 = 149,634 : x
  2. Step 2: Convert to fraction form
    389,537.64/584,382.20 = 149,634/x
  3. Step 3: Cross multiply
    389,537.64x = 584,382.20 × 149,634
  4. Step 4: Simplify right side
    389,537.64x = 87,443,445,366.63
  5. Step 5: Solve for x
    x = 87,443,445,366.63/389,537.64
  6. Step 6: Final answer
    x = 224,480.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.