Home / 217,802.40-326,266.20-146,943.60

Finding the Fourth Proportional to 217,802.40, 326,266.20 and 146,943.60

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Solution

The fourth proportional to 217,802.40, 326,266.20 and 146,943.60 is: 220,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,802.40 : 326,266.20 = 146,943.60 : x
  2. Step 2: Convert to fraction form
    217,802.40/326,266.20 = 146,943.60/x
  3. Step 3: Cross multiply
    217,802.40x = 326,266.20 × 146,943.60
  4. Step 4: Simplify right side
    217,802.40x = 47,942,729,986.32
  5. Step 5: Solve for x
    x = 47,942,729,986.32/217,802.40
  6. Step 6: Final answer
    x = 220,120.30

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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.