Home / 389,733.40-584,162.70-165,055.60

Finding the Fourth Proportional to 389,733.40, 584,162.70 and 165,055.60

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Solution

The fourth proportional to 389,733.40, 584,162.70 and 165,055.60 is: 247,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,733.40 : 584,162.70 = 165,055.60 : x
  2. Step 2: Convert to fraction form
    389,733.40/584,162.70 = 165,055.60/x
  3. Step 3: Cross multiply
    389,733.40x = 584,162.70 × 165,055.60
  4. Step 4: Simplify right side
    389,733.40x = 96,419,324,946.12
  5. Step 5: Solve for x
    x = 96,419,324,946.12/389,733.40
  6. Step 6: Final answer
    x = 247,398.16

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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.