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Finding the Fourth Proportional to 292,875.89, 438,812.33 and 159,849.48

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Solution

The fourth proportional to 292,875.89, 438,812.33 and 159,849.48 is: 239,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,875.89 : 438,812.33 = 159,849.48 : x
  2. Step 2: Convert to fraction form
    292,875.89/438,812.33 = 159,849.48/x
  3. Step 3: Cross multiply
    292,875.89x = 438,812.33 × 159,849.48
  4. Step 4: Simplify right side
    292,875.89x = 70,143,923,167.71
  5. Step 5: Solve for x
    x = 70,143,923,167.71/292,875.89
  6. Step 6: Final answer
    x = 239,500.51

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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.