Home / 393,110.20-589,665.30-97,622.20

Finding the Fourth Proportional to 393,110.20, 589,665.30 and 97,622.20

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Solution

The fourth proportional to 393,110.20, 589,665.30 and 97,622.20 is: 146,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,110.20 : 589,665.30 = 97,622.20 : x
  2. Step 2: Convert to fraction form
    393,110.20/589,665.30 = 97,622.20/x
  3. Step 3: Cross multiply
    393,110.20x = 589,665.30 × 97,622.20
  4. Step 4: Simplify right side
    393,110.20x = 57,564,423,849.66
  5. Step 5: Solve for x
    x = 57,564,423,849.66/393,110.20
  6. Step 6: Final answer
    x = 146,433.30

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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.