Home / 406,922.83-561,554.72-225,647.53

Finding the Fourth Proportional to 406,922.83, 561,554.72 and 225,647.53

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Solution

The fourth proportional to 406,922.83, 561,554.72 and 225,647.53 is: 311,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,922.83 : 561,554.72 = 225,647.53 : x
  2. Step 2: Convert to fraction form
    406,922.83/561,554.72 = 225,647.53/x
  3. Step 3: Cross multiply
    406,922.83x = 561,554.72 × 225,647.53
  4. Step 4: Simplify right side
    406,922.83x = 126,713,434,399.60
  5. Step 5: Solve for x
    x = 126,713,434,399.60/406,922.83
  6. Step 6: Final answer
    x = 311,394.26

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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.