Home / 485,211.97-669,583.60-270,347.41

Finding the Fourth Proportional to 485,211.97, 669,583.60 and 270,347.41

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Solution

The fourth proportional to 485,211.97, 669,583.60 and 270,347.41 is: 373,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,211.97 : 669,583.60 = 270,347.41 : x
  2. Step 2: Convert to fraction form
    485,211.97/669,583.60 = 270,347.41/x
  3. Step 3: Cross multiply
    485,211.97x = 669,583.60 × 270,347.41
  4. Step 4: Simplify right side
    485,211.97x = 181,020,192,038.48
  5. Step 5: Solve for x
    x = 181,020,192,038.48/485,211.97
  6. Step 6: Final answer
    x = 373,074.46

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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.