Home / 204,513.40-306,779.70-64,276.60

Finding the Fourth Proportional to 204,513.40, 306,779.70 and 64,276.60

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Solution

The fourth proportional to 204,513.40, 306,779.70 and 64,276.60 is: 96,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,513.40 : 306,779.70 = 64,276.60 : x
  2. Step 2: Convert to fraction form
    204,513.40/306,779.70 = 64,276.60/x
  3. Step 3: Cross multiply
    204,513.40x = 306,779.70 × 64,276.60
  4. Step 4: Simplify right side
    204,513.40x = 19,718,756,065.02
  5. Step 5: Solve for x
    x = 19,718,756,065.02/204,513.40
  6. Step 6: Final answer
    x = 96,417.92

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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.