Home / 314,351.26-471,527.03-103,989.19

Finding the Fourth Proportional to 314,351.26, 471,527.03 and 103,989.19

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Solution

The fourth proportional to 314,351.26, 471,527.03 and 103,989.19 is: 155,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,351.26 : 471,527.03 = 103,989.19 : x
  2. Step 2: Convert to fraction form
    314,351.26/471,527.03 = 103,989.19/x
  3. Step 3: Cross multiply
    314,351.26x = 471,527.03 × 103,989.19
  4. Step 4: Simplify right side
    314,351.26x = 49,033,713,912.81
  5. Step 5: Solve for x
    x = 49,033,713,912.81/314,351.26
  6. Step 6: Final answer
    x = 155,983.83

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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.