Home / 312,448.22-431,176.26-169,204.94

Finding the Fourth Proportional to 312,448.22, 431,176.26 and 169,204.94

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Solution

The fourth proportional to 312,448.22, 431,176.26 and 169,204.94 is: 233,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,448.22 : 431,176.26 = 169,204.94 : x
  2. Step 2: Convert to fraction form
    312,448.22/431,176.26 = 169,204.94/x
  3. Step 3: Cross multiply
    312,448.22x = 431,176.26 × 169,204.94
  4. Step 4: Simplify right side
    312,448.22x = 72,957,153,202.72
  5. Step 5: Solve for x
    x = 72,957,153,202.72/312,448.22
  6. Step 6: Final answer
    x = 233,501.58

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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.