Home / 433,918.58-651,049.19-134,422.52

Finding the Fourth Proportional to 433,918.58, 651,049.19 and 134,422.52

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Solution

The fourth proportional to 433,918.58, 651,049.19 and 134,422.52 is: 201,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,918.58 : 651,049.19 = 134,422.52 : x
  2. Step 2: Convert to fraction form
    433,918.58/651,049.19 = 134,422.52/x
  3. Step 3: Cross multiply
    433,918.58x = 651,049.19 × 134,422.52
  4. Step 4: Simplify right side
    433,918.58x = 87,515,668,836.40
  5. Step 5: Solve for x
    x = 87,515,668,836.40/433,918.58
  6. Step 6: Final answer
    x = 201,686.85

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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.