Home / 264,228.40-396,342.87-123,987.16

Finding the Fourth Proportional to 264,228.40, 396,342.87 and 123,987.16

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Solution

The fourth proportional to 264,228.40, 396,342.87 and 123,987.16 is: 185,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,228.40 : 396,342.87 = 123,987.16 : x
  2. Step 2: Convert to fraction form
    264,228.40/396,342.87 = 123,987.16/x
  3. Step 3: Cross multiply
    264,228.40x = 396,342.87 × 123,987.16
  4. Step 4: Simplify right side
    264,228.40x = 49,141,426,837.55
  5. Step 5: Solve for x
    x = 49,141,426,837.55/264,228.40
  6. Step 6: Final answer
    x = 185,980.87

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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.