Home / 286,040.28-428,761.02-96,435.12

Finding the Fourth Proportional to 286,040.28, 428,761.02 and 96,435.12

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Solution

The fourth proportional to 286,040.28, 428,761.02 and 96,435.12 is: 144,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,040.28 : 428,761.02 = 96,435.12 : x
  2. Step 2: Convert to fraction form
    286,040.28/428,761.02 = 96,435.12/x
  3. Step 3: Cross multiply
    286,040.28x = 428,761.02 × 96,435.12
  4. Step 4: Simplify right side
    286,040.28x = 41,347,620,415.02
  5. Step 5: Solve for x
    x = 41,347,620,415.02/286,040.28
  6. Step 6: Final answer
    x = 144,551.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.