Home / 481,985.53-665,140.09-267,139.46

Finding the Fourth Proportional to 481,985.53, 665,140.09 and 267,139.46

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Solution

The fourth proportional to 481,985.53, 665,140.09 and 267,139.46 is: 368,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,985.53 : 665,140.09 = 267,139.46 : x
  2. Step 2: Convert to fraction form
    481,985.53/665,140.09 = 267,139.46/x
  3. Step 3: Cross multiply
    481,985.53x = 665,140.09 × 267,139.46
  4. Step 4: Simplify right side
    481,985.53x = 177,685,164,466.95
  5. Step 5: Solve for x
    x = 177,685,164,466.95/481,985.53
  6. Step 6: Final answer
    x = 368,652.49

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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.