Home / 324,386.61-486,527.09-113,975.43

Finding the Fourth Proportional to 324,386.61, 486,527.09 and 113,975.43

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Solution

The fourth proportional to 324,386.61, 486,527.09 and 113,975.43 is: 170,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,386.61 : 486,527.09 = 113,975.43 : x
  2. Step 2: Convert to fraction form
    324,386.61/486,527.09 = 113,975.43/x
  3. Step 3: Cross multiply
    324,386.61x = 486,527.09 × 113,975.43
  4. Step 4: Simplify right side
    324,386.61x = 55,452,133,719.52
  5. Step 5: Solve for x
    x = 55,452,133,719.52/324,386.61
  6. Step 6: Final answer
    x = 170,944.58

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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.