Home / 433,930.28-650,769.76-130,312.20

Finding the Fourth Proportional to 433,930.28, 650,769.76 and 130,312.20

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Solution

The fourth proportional to 433,930.28, 650,769.76 and 130,312.20 is: 195,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,930.28 : 650,769.76 = 130,312.20 : x
  2. Step 2: Convert to fraction form
    433,930.28/650,769.76 = 130,312.20/x
  3. Step 3: Cross multiply
    433,930.28x = 650,769.76 × 130,312.20
  4. Step 4: Simplify right side
    433,930.28x = 84,803,239,119.07
  5. Step 5: Solve for x
    x = 84,803,239,119.07/433,930.28
  6. Step 6: Final answer
    x = 195,430.56

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1.5x scale

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.