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Finding the Fourth Proportional to 469,906.73, 648,441.76 and 265,999.04

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Solution

The fourth proportional to 469,906.73, 648,441.76 and 265,999.04 is: 367,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,906.73 : 648,441.76 = 265,999.04 : x
  2. Step 2: Convert to fraction form
    469,906.73/648,441.76 = 265,999.04/x
  3. Step 3: Cross multiply
    469,906.73x = 648,441.76 × 265,999.04
  4. Step 4: Simplify right side
    469,906.73x = 172,484,885,655.91
  5. Step 5: Solve for x
    x = 172,484,885,655.91/469,906.73
  6. Step 6: Final answer
    x = 367,061.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.