Home / 292,269.25-403,331.57-158,133.25

Finding the Fourth Proportional to 292,269.25, 403,331.57 and 158,133.25

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Solution

The fourth proportional to 292,269.25, 403,331.57 and 158,133.25 is: 218,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,269.25 : 403,331.57 = 158,133.25 : x
  2. Step 2: Convert to fraction form
    292,269.25/403,331.57 = 158,133.25/x
  3. Step 3: Cross multiply
    292,269.25x = 403,331.57 × 158,133.25
  4. Step 4: Simplify right side
    292,269.25x = 63,780,131,991.70
  5. Step 5: Solve for x
    x = 63,780,131,991.70/292,269.25
  6. Step 6: Final answer
    x = 218,223.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.