Home / 204,200.90-306,301.35-147,776.30

Finding the Fourth Proportional to 204,200.90, 306,301.35 and 147,776.30

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Solution

The fourth proportional to 204,200.90, 306,301.35 and 147,776.30 is: 221,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,200.90 : 306,301.35 = 147,776.30 : x
  2. Step 2: Convert to fraction form
    204,200.90/306,301.35 = 147,776.30/x
  3. Step 3: Cross multiply
    204,200.90x = 306,301.35 × 147,776.30
  4. Step 4: Simplify right side
    204,200.90x = 45,264,080,188.01
  5. Step 5: Solve for x
    x = 45,264,080,188.01/204,200.90
  6. Step 6: Final answer
    x = 221,664.45

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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.