Home / 389,587.44-584,030.28-140,094

Finding the Fourth Proportional to 389,587.44, 584,030.28 and 140,094

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Solution

The fourth proportional to 389,587.44, 584,030.28 and 140,094 is: 210,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,587.44 : 584,030.28 = 140,094 : x
  2. Step 2: Convert to fraction form
    389,587.44/584,030.28 = 140,094/x
  3. Step 3: Cross multiply
    389,587.44x = 584,030.28 × 140,094
  4. Step 4: Simplify right side
    389,587.44x = 81,819,138,046.32
  5. Step 5: Solve for x
    x = 81,819,138,046.32/389,587.44
  6. Step 6: Final answer
    x = 210,014.83

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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.