Home / 215,008.35-322,206.24-158,403.30

Finding the Fourth Proportional to 215,008.35, 322,206.24 and 158,403.30

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Solution

The fourth proportional to 215,008.35, 322,206.24 and 158,403.30 is: 237,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,008.35 : 322,206.24 = 158,403.30 : x
  2. Step 2: Convert to fraction form
    215,008.35/322,206.24 = 158,403.30/x
  3. Step 3: Cross multiply
    215,008.35x = 322,206.24 × 158,403.30
  4. Step 4: Simplify right side
    215,008.35x = 51,038,531,696.59
  5. Step 5: Solve for x
    x = 51,038,531,696.59/215,008.35
  6. Step 6: Final answer
    x = 237,379.30

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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.