Home / 385,164.03-577,993.92-207,793.47

Finding the Fourth Proportional to 385,164.03, 577,993.92 and 207,793.47

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Solution

The fourth proportional to 385,164.03, 577,993.92 and 207,793.47 is: 311,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,164.03 : 577,993.92 = 207,793.47 : x
  2. Step 2: Convert to fraction form
    385,164.03/577,993.92 = 207,793.47/x
  3. Step 3: Cross multiply
    385,164.03x = 577,993.92 × 207,793.47
  4. Step 4: Simplify right side
    385,164.03x = 120,103,362,275.70
  5. Step 5: Solve for x
    x = 120,103,362,275.70/385,164.03
  6. Step 6: Final answer
    x = 311,823.93

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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.