Home / 509,370.07-764,052.29-130,290.22

Finding the Fourth Proportional to 509,370.07, 764,052.29 and 130,290.22

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Solution

The fourth proportional to 509,370.07, 764,052.29 and 130,290.22 is: 195,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,370.07 : 764,052.29 = 130,290.22 : x
  2. Step 2: Convert to fraction form
    509,370.07/764,052.29 = 130,290.22/x
  3. Step 3: Cross multiply
    509,370.07x = 764,052.29 × 130,290.22
  4. Step 4: Simplify right side
    509,370.07x = 99,548,542,480.69
  5. Step 5: Solve for x
    x = 99,548,542,480.69/509,370.07
  6. Step 6: Final answer
    x = 195,434.61

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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.