Home / 485,518.16-670,054.94-267,769.42

Finding the Fourth Proportional to 485,518.16, 670,054.94 and 267,769.42

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Solution

The fourth proportional to 485,518.16, 670,054.94 and 267,769.42 is: 369,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,518.16 : 670,054.94 = 267,769.42 : x
  2. Step 2: Convert to fraction form
    485,518.16/670,054.94 = 267,769.42/x
  3. Step 3: Cross multiply
    485,518.16x = 670,054.94 × 267,769.42
  4. Step 4: Simplify right side
    485,518.16x = 179,420,217,962.81
  5. Step 5: Solve for x
    x = 179,420,217,962.81/485,518.16
  6. Step 6: Final answer
    x = 369,543.79

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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.