Home / 208,398.72-312,598.85-50,627.18

Finding the Fourth Proportional to 208,398.72, 312,598.85 and 50,627.18

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Solution

The fourth proportional to 208,398.72, 312,598.85 and 50,627.18 is: 75,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,398.72 : 312,598.85 = 50,627.18 : x
  2. Step 2: Convert to fraction form
    208,398.72/312,598.85 = 50,627.18/x
  3. Step 3: Cross multiply
    208,398.72x = 312,598.85 × 50,627.18
  4. Step 4: Simplify right side
    208,398.72x = 15,825,996,430.61
  5. Step 5: Solve for x
    x = 15,825,996,430.61/208,398.72
  6. Step 6: Final answer
    x = 75,940.95

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1.5x scale

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.