Home / 264,811.20-396,698.40-159,316.80

Finding the Fourth Proportional to 264,811.20, 396,698.40 and 159,316.80

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Solution

The fourth proportional to 264,811.20, 396,698.40 and 159,316.80 is: 238,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,811.20 : 396,698.40 = 159,316.80 : x
  2. Step 2: Convert to fraction form
    264,811.20/396,698.40 = 159,316.80/x
  3. Step 3: Cross multiply
    264,811.20x = 396,698.40 × 159,316.80
  4. Step 4: Simplify right side
    264,811.20x = 63,200,719,653.12
  5. Step 5: Solve for x
    x = 63,200,719,653.12/264,811.20
  6. Step 6: Final answer
    x = 238,663.32

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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.