Home / 401,737.13-602,640.72-131,784.33

Finding the Fourth Proportional to 401,737.13, 602,640.72 and 131,784.33

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Solution

The fourth proportional to 401,737.13, 602,640.72 and 131,784.33 is: 197,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,737.13 : 602,640.72 = 131,784.33 : x
  2. Step 2: Convert to fraction form
    401,737.13/602,640.72 = 131,784.33/x
  3. Step 3: Cross multiply
    401,737.13x = 602,640.72 × 131,784.33
  4. Step 4: Simplify right side
    401,737.13x = 79,418,603,418.75
  5. Step 5: Solve for x
    x = 79,418,603,418.75/401,737.13
  6. Step 6: Final answer
    x = 197,687.98

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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.