Home / 442,688.09-663,957.86-122,872.46

Finding the Fourth Proportional to 442,688.09, 663,957.86 and 122,872.46

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Solution

The fourth proportional to 442,688.09, 663,957.86 and 122,872.46 is: 184,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,688.09 : 663,957.86 = 122,872.46 : x
  2. Step 2: Convert to fraction form
    442,688.09/663,957.86 = 122,872.46/x
  3. Step 3: Cross multiply
    442,688.09x = 663,957.86 × 122,872.46
  4. Step 4: Simplify right side
    442,688.09x = 81,582,131,660.38
  5. Step 5: Solve for x
    x = 81,582,131,660.38/442,688.09
  6. Step 6: Final answer
    x = 184,288.07

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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.