Home / 433,929.28-650,768.26-130,311.20

Finding the Fourth Proportional to 433,929.28, 650,768.26 and 130,311.20

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Solution

The fourth proportional to 433,929.28, 650,768.26 and 130,311.20 is: 195,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,929.28 : 650,768.26 = 130,311.20 : x
  2. Step 2: Convert to fraction form
    433,929.28/650,768.26 = 130,311.20/x
  3. Step 3: Cross multiply
    433,929.28x = 650,768.26 × 130,311.20
  4. Step 4: Simplify right side
    433,929.28x = 84,802,392,882.51
  5. Step 5: Solve for x
    x = 84,802,392,882.51/433,929.28
  6. Step 6: Final answer
    x = 195,429.06

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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.