Home / 321,966.90-482,561.55-164,114.10

Finding the Fourth Proportional to 321,966.90, 482,561.55 and 164,114.10

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Solution

The fourth proportional to 321,966.90, 482,561.55 and 164,114.10 is: 245,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,966.90 : 482,561.55 = 164,114.10 : x
  2. Step 2: Convert to fraction form
    321,966.90/482,561.55 = 164,114.10/x
  3. Step 3: Cross multiply
    321,966.90x = 482,561.55 × 164,114.10
  4. Step 4: Simplify right side
    321,966.90x = 79,195,154,472.86
  5. Step 5: Solve for x
    x = 79,195,154,472.86/321,966.90
  6. Step 6: Final answer
    x = 245,972.97

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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.