Home / 433,835.09-650,600.23-130,138.70

Finding the Fourth Proportional to 433,835.09, 650,600.23 and 130,138.70

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Solution

The fourth proportional to 433,835.09, 650,600.23 and 130,138.70 is: 195,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,835.09 : 650,600.23 = 130,138.70 : x
  2. Step 2: Convert to fraction form
    433,835.09/650,600.23 = 130,138.70/x
  3. Step 3: Cross multiply
    433,835.09x = 650,600.23 × 130,138.70
  4. Step 4: Simplify right side
    433,835.09x = 84,668,268,151.90
  5. Step 5: Solve for x
    x = 84,668,268,151.90/433,835.09
  6. Step 6: Final answer
    x = 195,162.33

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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.