Home / 204,730.38-306,988.65-64,451.34

Finding the Fourth Proportional to 204,730.38, 306,988.65 and 64,451.34

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Solution

The fourth proportional to 204,730.38, 306,988.65 and 64,451.34 is: 96,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,730.38 : 306,988.65 = 64,451.34 : x
  2. Step 2: Convert to fraction form
    204,730.38/306,988.65 = 64,451.34/x
  3. Step 3: Cross multiply
    204,730.38x = 306,988.65 × 64,451.34
  4. Step 4: Simplify right side
    204,730.38x = 19,785,829,857.29
  5. Step 5: Solve for x
    x = 19,785,829,857.29/204,730.38
  6. Step 6: Final answer
    x = 96,643.35

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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.