Home / 406,560.15-561,044.79-225,271.53

Finding the Fourth Proportional to 406,560.15, 561,044.79 and 225,271.53

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Solution

The fourth proportional to 406,560.15, 561,044.79 and 225,271.53 is: 310,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,560.15 : 561,044.79 = 225,271.53 : x
  2. Step 2: Convert to fraction form
    406,560.15/561,044.79 = 225,271.53/x
  3. Step 3: Cross multiply
    406,560.15x = 561,044.79 × 225,271.53
  4. Step 4: Simplify right side
    406,560.15x = 126,387,418,241.83
  5. Step 5: Solve for x
    x = 126,387,418,241.83/406,560.15
  6. Step 6: Final answer
    x = 310,870.16

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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.