Home / 389,618.94-584,077.53-140,125.50

Finding the Fourth Proportional to 389,618.94, 584,077.53 and 140,125.50

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Solution

The fourth proportional to 389,618.94, 584,077.53 and 140,125.50 is: 210,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,618.94 : 584,077.53 = 140,125.50 : x
  2. Step 2: Convert to fraction form
    389,618.94/584,077.53 = 140,125.50/x
  3. Step 3: Cross multiply
    389,618.94x = 584,077.53 × 140,125.50
  4. Step 4: Simplify right side
    389,618.94x = 81,844,155,930.02
  5. Step 5: Solve for x
    x = 81,844,155,930.02/389,618.94
  6. Step 6: Final answer
    x = 210,062.06

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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.