Home / 230,966.55-346,449.83-220,140.90

Finding the Fourth Proportional to 230,966.55, 346,449.83 and 220,140.90

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Solution

The fourth proportional to 230,966.55, 346,449.83 and 220,140.90 is: 330,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,966.55 : 346,449.83 = 220,140.90 : x
  2. Step 2: Convert to fraction form
    230,966.55/346,449.83 = 220,140.90/x
  3. Step 3: Cross multiply
    230,966.55x = 346,449.83 × 220,140.90
  4. Step 4: Simplify right side
    230,966.55x = 76,267,776,280.34
  5. Step 5: Solve for x
    x = 76,267,776,280.34/230,966.55
  6. Step 6: Final answer
    x = 330,211.35

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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.