Home / 442,178.08-610,032.54-272,116.96

Finding the Fourth Proportional to 442,178.08, 610,032.54 and 272,116.96

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Solution

The fourth proportional to 442,178.08, 610,032.54 and 272,116.96 is: 375,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,178.08 : 610,032.54 = 272,116.96 : x
  2. Step 2: Convert to fraction form
    442,178.08/610,032.54 = 272,116.96/x
  3. Step 3: Cross multiply
    442,178.08x = 610,032.54 × 272,116.96
  4. Step 4: Simplify right side
    442,178.08x = 166,000,200,285.88
  5. Step 5: Solve for x
    x = 166,000,200,285.88/442,178.08
  6. Step 6: Final answer
    x = 375,414.81

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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.