Home / 661,379.16-991,962.54-181,494.89

Finding the Fourth Proportional to 661,379.16, 991,962.54 and 181,494.89

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Solution

The fourth proportional to 661,379.16, 991,962.54 and 181,494.89 is: 272,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,379.16 : 991,962.54 = 181,494.89 : x
  2. Step 2: Convert to fraction form
    661,379.16/991,962.54 = 181,494.89/x
  3. Step 3: Cross multiply
    661,379.16x = 991,962.54 × 181,494.89
  4. Step 4: Simplify right side
    661,379.16x = 180,036,130,841.47
  5. Step 5: Solve for x
    x = 180,036,130,841.47/661,379.16
  6. Step 6: Final answer
    x = 272,213.19

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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.