Home / 406,558.08-561,033.90-225,272.64

Finding the Fourth Proportional to 406,558.08, 561,033.90 and 225,272.64

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Solution

The fourth proportional to 406,558.08, 561,033.90 and 225,272.64 is: 310,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,558.08 : 561,033.90 = 225,272.64 : x
  2. Step 2: Convert to fraction form
    406,558.08/561,033.90 = 225,272.64/x
  3. Step 3: Cross multiply
    406,558.08x = 561,033.90 × 225,272.64
  4. Step 4: Simplify right side
    406,558.08x = 126,385,587,782.50
  5. Step 5: Solve for x
    x = 126,385,587,782.50/406,558.08
  6. Step 6: Final answer
    x = 310,867.24

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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.