Home / 217,070.20-325,605.30-146,211.40

Finding the Fourth Proportional to 217,070.20, 325,605.30 and 146,211.40

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Solution

The fourth proportional to 217,070.20, 325,605.30 and 146,211.40 is: 219,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,070.20 : 325,605.30 = 146,211.40 : x
  2. Step 2: Convert to fraction form
    217,070.20/325,605.30 = 146,211.40/x
  3. Step 3: Cross multiply
    217,070.20x = 325,605.30 × 146,211.40
  4. Step 4: Simplify right side
    217,070.20x = 47,607,206,760.42
  5. Step 5: Solve for x
    x = 47,607,206,760.42/217,070.20
  6. Step 6: Final answer
    x = 219,317.10

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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.