Home / 312,723.95-431,558.91-169,483.97

Finding the Fourth Proportional to 312,723.95, 431,558.91 and 169,483.97

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Solution

The fourth proportional to 312,723.95, 431,558.91 and 169,483.97 is: 233,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,723.95 : 431,558.91 = 169,483.97 : x
  2. Step 2: Convert to fraction form
    312,723.95/431,558.91 = 169,483.97/x
  3. Step 3: Cross multiply
    312,723.95x = 431,558.91 × 169,483.97
  4. Step 4: Simplify right side
    312,723.95x = 73,142,317,355.67
  5. Step 5: Solve for x
    x = 73,142,317,355.67/312,723.95
  6. Step 6: Final answer
    x = 233,887.80

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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.