Home / 217,637.04-326,340.68-67,849.40

Finding the Fourth Proportional to 217,637.04, 326,340.68 and 67,849.40

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Solution

The fourth proportional to 217,637.04, 326,340.68 and 67,849.40 is: 101,738.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,637.04 : 326,340.68 = 67,849.40 : x
  2. Step 2: Convert to fraction form
    217,637.04/326,340.68 = 67,849.40/x
  3. Step 3: Cross multiply
    217,637.04x = 326,340.68 × 67,849.40
  4. Step 4: Simplify right side
    217,637.04x = 22,142,019,333.59
  5. Step 5: Solve for x
    x = 22,142,019,333.59/217,637.04
  6. Step 6: Final answer
    x = 101,738.29

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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.