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Finding the Fourth Proportional to 292,878.28, 438,815.85 and 159,851.89

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Solution

The fourth proportional to 292,878.28, 438,815.85 and 159,851.89 is: 239,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,878.28 : 438,815.85 = 159,851.89 : x
  2. Step 2: Convert to fraction form
    292,878.28/438,815.85 = 159,851.89/x
  3. Step 3: Cross multiply
    292,878.28x = 438,815.85 × 159,851.89
  4. Step 4: Simplify right side
    292,878.28x = 70,145,542,984.46
  5. Step 5: Solve for x
    x = 70,145,542,984.46/292,878.28
  6. Step 6: Final answer
    x = 239,504.08

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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.