Home / 406,449.02-560,899.55-225,172.72

Finding the Fourth Proportional to 406,449.02, 560,899.55 and 225,172.72

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Solution

The fourth proportional to 406,449.02, 560,899.55 and 225,172.72 is: 310,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,449.02 : 560,899.55 = 225,172.72 : x
  2. Step 2: Convert to fraction form
    406,449.02/560,899.55 = 225,172.72/x
  3. Step 3: Cross multiply
    406,449.02x = 560,899.55 × 225,172.72
  4. Step 4: Simplify right side
    406,449.02x = 126,299,277,320.28
  5. Step 5: Solve for x
    x = 126,299,277,320.28/406,449.02
  6. Step 6: Final answer
    x = 310,738.30

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1.5x scale

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.