Home / 485,072.02-669,419.55-270,212.02

Finding the Fourth Proportional to 485,072.02, 669,419.55 and 270,212.02

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Solution

The fourth proportional to 485,072.02, 669,419.55 and 270,212.02 is: 372,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,072.02 : 669,419.55 = 270,212.02 : x
  2. Step 2: Convert to fraction form
    485,072.02/669,419.55 = 270,212.02/x
  3. Step 3: Cross multiply
    485,072.02x = 669,419.55 × 270,212.02
  4. Step 4: Simplify right side
    485,072.02x = 180,885,208,832.99
  5. Step 5: Solve for x
    x = 180,885,208,832.99/485,072.02
  6. Step 6: Final answer
    x = 372,903.82

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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.