Home / 406,064.12-609,220.76-181,613.36

Finding the Fourth Proportional to 406,064.12, 609,220.76 and 181,613.36

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Solution

The fourth proportional to 406,064.12, 609,220.76 and 181,613.36 is: 272,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,064.12 : 609,220.76 = 181,613.36 : x
  2. Step 2: Convert to fraction form
    406,064.12/609,220.76 = 181,613.36/x
  3. Step 3: Cross multiply
    406,064.12x = 609,220.76 × 181,613.36
  4. Step 4: Simplify right side
    406,064.12x = 110,642,629,205.35
  5. Step 5: Solve for x
    x = 110,642,629,205.35/406,064.12
  6. Step 6: Final answer
    x = 272,475.76

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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.