Home / 458,162.05-687,243.91-188,102.13

Finding the Fourth Proportional to 458,162.05, 687,243.91 and 188,102.13

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Solution

The fourth proportional to 458,162.05, 687,243.91 and 188,102.13 is: 282,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,162.05 : 687,243.91 = 188,102.13 : x
  2. Step 2: Convert to fraction form
    458,162.05/687,243.91 = 188,102.13/x
  3. Step 3: Cross multiply
    458,162.05x = 687,243.91 × 188,102.13
  4. Step 4: Simplify right side
    458,162.05x = 129,272,044,471.55
  5. Step 5: Solve for x
    x = 129,272,044,471.55/458,162.05
  6. Step 6: Final answer
    x = 282,153.54

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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.