Home / 312,790.10-431,647.38-174,967.52

Finding the Fourth Proportional to 312,790.10, 431,647.38 and 174,967.52

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Solution

The fourth proportional to 312,790.10, 431,647.38 and 174,967.52 is: 241,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,790.10 : 431,647.38 = 174,967.52 : x
  2. Step 2: Convert to fraction form
    312,790.10/431,647.38 = 174,967.52/x
  3. Step 3: Cross multiply
    312,790.10x = 431,647.38 × 174,967.52
  4. Step 4: Simplify right side
    312,790.10x = 75,524,269,434.86
  5. Step 5: Solve for x
    x = 75,524,269,434.86/312,790.10
  6. Step 6: Final answer
    x = 241,453.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.