Home / 661,379.35-991,962.82-181,495.08

Finding the Fourth Proportional to 661,379.35, 991,962.82 and 181,495.08

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Solution

The fourth proportional to 661,379.35, 991,962.82 and 181,495.08 is: 272,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,379.35 : 991,962.82 = 181,495.08 : x
  2. Step 2: Convert to fraction form
    661,379.35/991,962.82 = 181,495.08/x
  3. Step 3: Cross multiply
    661,379.35x = 991,962.82 × 181,495.08
  4. Step 4: Simplify right side
    661,379.35x = 180,036,367,879.93
  5. Step 5: Solve for x
    x = 180,036,367,879.93/661,379.35
  6. Step 6: Final answer
    x = 272,213.47

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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.