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Finding the Fourth Proportional to 247,662.72, 371,444.76 and 121,248.72

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Solution

The fourth proportional to 247,662.72, 371,444.76 and 121,248.72 is: 181,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,662.72 : 371,444.76 = 121,248.72 : x
  2. Step 2: Convert to fraction form
    247,662.72/371,444.76 = 121,248.72/x
  3. Step 3: Cross multiply
    247,662.72x = 371,444.76 × 121,248.72
  4. Step 4: Simplify right side
    247,662.72x = 45,037,201,700.71
  5. Step 5: Solve for x
    x = 45,037,201,700.71/247,662.72
  6. Step 6: Final answer
    x = 181,848.93

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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.