Home / 223,045.20-334,457.10-80,884.80

Finding the Fourth Proportional to 223,045.20, 334,457.10 and 80,884.80

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Solution

The fourth proportional to 223,045.20, 334,457.10 and 80,884.80 is: 121,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,045.20 : 334,457.10 = 80,884.80 : x
  2. Step 2: Convert to fraction form
    223,045.20/334,457.10 = 80,884.80/x
  3. Step 3: Cross multiply
    223,045.20x = 334,457.10 × 80,884.80
  4. Step 4: Simplify right side
    223,045.20x = 27,052,495,642.08
  5. Step 5: Solve for x
    x = 27,052,495,642.08/223,045.20
  6. Step 6: Final answer
    x = 121,287.06

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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.