Home / 401,834.03-602,331.85-135,502.97

Finding the Fourth Proportional to 401,834.03, 602,331.85 and 135,502.97

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Solution

The fourth proportional to 401,834.03, 602,331.85 and 135,502.97 is: 203,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,834.03 : 602,331.85 = 135,502.97 : x
  2. Step 2: Convert to fraction form
    401,834.03/602,331.85 = 135,502.97/x
  3. Step 3: Cross multiply
    401,834.03x = 602,331.85 × 135,502.97
  4. Step 4: Simplify right side
    401,834.03x = 81,617,755,767.67
  5. Step 5: Solve for x
    x = 81,617,755,767.67/401,834.03
  6. Step 6: Final answer
    x = 203,113.10

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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.