Home / 389,823.57-584,784.56-137,044.64

Finding the Fourth Proportional to 389,823.57, 584,784.56 and 137,044.64

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Solution

The fourth proportional to 389,823.57, 584,784.56 and 137,044.64 is: 205,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,823.57 : 584,784.56 = 137,044.64 : x
  2. Step 2: Convert to fraction form
    389,823.57/584,784.56 = 137,044.64/x
  3. Step 3: Cross multiply
    389,823.57x = 584,784.56 × 137,044.64
  4. Step 4: Simplify right side
    389,823.57x = 80,141,589,502.76
  5. Step 5: Solve for x
    x = 80,141,589,502.76/389,823.57
  6. Step 6: Final answer
    x = 205,584.26

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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.