Home / 204,006.40-306,009.60-63,779.20

Finding the Fourth Proportional to 204,006.40, 306,009.60 and 63,779.20

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Solution

The fourth proportional to 204,006.40, 306,009.60 and 63,779.20 is: 95,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,006.40 : 306,009.60 = 63,779.20 : x
  2. Step 2: Convert to fraction form
    204,006.40/306,009.60 = 63,779.20/x
  3. Step 3: Cross multiply
    204,006.40x = 306,009.60 × 63,779.20
  4. Step 4: Simplify right side
    204,006.40x = 19,517,047,480.32
  5. Step 5: Solve for x
    x = 19,517,047,480.32/204,006.40
  6. Step 6: Final answer
    x = 95,668.80

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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.