Home / 207,966.80-312,000.60-60,222.80

Finding the Fourth Proportional to 207,966.80, 312,000.60 and 60,222.80

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Solution

The fourth proportional to 207,966.80, 312,000.60 and 60,222.80 is: 90,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,966.80 : 312,000.60 = 60,222.80 : x
  2. Step 2: Convert to fraction form
    207,966.80/312,000.60 = 60,222.80/x
  3. Step 3: Cross multiply
    207,966.80x = 312,000.60 × 60,222.80
  4. Step 4: Simplify right side
    207,966.80x = 18,789,549,733.68
  5. Step 5: Solve for x
    x = 18,789,549,733.68/207,966.80
  6. Step 6: Final answer
    x = 90,348.79

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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.