Home / 427,632.26-641,399.07-112,114.22

Finding the Fourth Proportional to 427,632.26, 641,399.07 and 112,114.22

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Solution

The fourth proportional to 427,632.26, 641,399.07 and 112,114.22 is: 168,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,632.26 : 641,399.07 = 112,114.22 : x
  2. Step 2: Convert to fraction form
    427,632.26/641,399.07 = 112,114.22/x
  3. Step 3: Cross multiply
    427,632.26x = 641,399.07 × 112,114.22
  4. Step 4: Simplify right side
    427,632.26x = 71,909,956,441.78
  5. Step 5: Solve for x
    x = 71,909,956,441.78/427,632.26
  6. Step 6: Final answer
    x = 168,158.40

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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.