Home / 438,795.78-658,219.19-123,277.29

Finding the Fourth Proportional to 438,795.78, 658,219.19 and 123,277.29

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Solution

The fourth proportional to 438,795.78, 658,219.19 and 123,277.29 is: 184,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,795.78 : 658,219.19 = 123,277.29 : x
  2. Step 2: Convert to fraction form
    438,795.78/658,219.19 = 123,277.29/x
  3. Step 3: Cross multiply
    438,795.78x = 658,219.19 × 123,277.29
  4. Step 4: Simplify right side
    438,795.78x = 81,143,477,352.81
  5. Step 5: Solve for x
    x = 81,143,477,352.81/438,795.78
  6. Step 6: Final answer
    x = 184,923.10

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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.