Home / 485,877.67-670,541.22-268,085.27

Finding the Fourth Proportional to 485,877.67, 670,541.22 and 268,085.27

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Solution

The fourth proportional to 485,877.67, 670,541.22 and 268,085.27 is: 369,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,877.67 : 670,541.22 = 268,085.27 : x
  2. Step 2: Convert to fraction form
    485,877.67/670,541.22 = 268,085.27/x
  3. Step 3: Cross multiply
    485,877.67x = 670,541.22 × 268,085.27
  4. Step 4: Simplify right side
    485,877.67x = 179,762,222,669.40
  5. Step 5: Solve for x
    x = 179,762,222,669.40/485,877.67
  6. Step 6: Final answer
    x = 369,974.25

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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.