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Finding the Fourth Proportional to 207,248.70, 310,873.05 and 191,502.30

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Solution

The fourth proportional to 207,248.70, 310,873.05 and 191,502.30 is: 287,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,248.70 : 310,873.05 = 191,502.30 : x
  2. Step 2: Convert to fraction form
    207,248.70/310,873.05 = 191,502.30/x
  3. Step 3: Cross multiply
    207,248.70x = 310,873.05 × 191,502.30
  4. Step 4: Simplify right side
    207,248.70x = 59,532,904,083.02
  5. Step 5: Solve for x
    x = 59,532,904,083.02/207,248.70
  6. Step 6: Final answer
    x = 287,253.45

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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.