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Finding the Fourth Proportional to 207,321.93, 311,097.51 and 192,264.30

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Solution

The fourth proportional to 207,321.93, 311,097.51 and 192,264.30 is: 288,502.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,321.93 : 311,097.51 = 192,264.30 : x
  2. Step 2: Convert to fraction form
    207,321.93/311,097.51 = 192,264.30/x
  3. Step 3: Cross multiply
    207,321.93x = 311,097.51 × 192,264.30
  4. Step 4: Simplify right side
    207,321.93x = 59,812,944,991.89
  5. Step 5: Solve for x
    x = 59,812,944,991.89/207,321.93
  6. Step 6: Final answer
    x = 288,502.74

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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.