Home / 312,742.48-431,584.41-169,502.44

Finding the Fourth Proportional to 312,742.48, 431,584.41 and 169,502.44

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Solution

The fourth proportional to 312,742.48, 431,584.41 and 169,502.44 is: 233,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,742.48 : 431,584.41 = 169,502.44 : x
  2. Step 2: Convert to fraction form
    312,742.48/431,584.41 = 169,502.44/x
  3. Step 3: Cross multiply
    312,742.48x = 431,584.41 × 169,502.44
  4. Step 4: Simplify right side
    312,742.48x = 73,154,610,560.96
  5. Step 5: Solve for x
    x = 73,154,610,560.96/312,742.48
  6. Step 6: Final answer
    x = 233,913.25

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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.