Home / 204,513.20-306,769.80-64,271.60

Finding the Fourth Proportional to 204,513.20, 306,769.80 and 64,271.60

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Solution

The fourth proportional to 204,513.20, 306,769.80 and 64,271.60 is: 96,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,513.20 : 306,769.80 = 64,271.60 : x
  2. Step 2: Convert to fraction form
    204,513.20/306,769.80 = 64,271.60/x
  3. Step 3: Cross multiply
    204,513.20x = 306,769.80 × 64,271.60
  4. Step 4: Simplify right side
    204,513.20x = 19,716,585,877.68
  5. Step 5: Solve for x
    x = 19,716,585,877.68/204,513.20
  6. Step 6: Final answer
    x = 96,407.40

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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.