Home / 264,228.34-396,342.78-123,987.10

Finding the Fourth Proportional to 264,228.34, 396,342.78 and 123,987.10

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Solution

The fourth proportional to 264,228.34, 396,342.78 and 123,987.10 is: 185,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,228.34 : 396,342.78 = 123,987.10 : x
  2. Step 2: Convert to fraction form
    264,228.34/396,342.78 = 123,987.10/x
  3. Step 3: Cross multiply
    264,228.34x = 396,342.78 × 123,987.10
  4. Step 4: Simplify right side
    264,228.34x = 49,141,390,442.33
  5. Step 5: Solve for x
    x = 49,141,390,442.33/264,228.34
  6. Step 6: Final answer
    x = 185,980.77

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1.5x scale

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.