Home / 485,250.04-669,638.28-270,399.16

Finding the Fourth Proportional to 485,250.04, 669,638.28 and 270,399.16

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Solution

The fourth proportional to 485,250.04, 669,638.28 and 270,399.16 is: 373,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,250.04 : 669,638.28 = 270,399.16 : x
  2. Step 2: Convert to fraction form
    485,250.04/669,638.28 = 270,399.16/x
  3. Step 3: Cross multiply
    485,250.04x = 669,638.28 × 270,399.16
  4. Step 4: Simplify right side
    485,250.04x = 181,069,628,415.85
  5. Step 5: Solve for x
    x = 181,069,628,415.85/485,250.04
  6. Step 6: Final answer
    x = 373,147.07

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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.