Home / 292,212.72-438,331.56-114,758.19

Finding the Fourth Proportional to 292,212.72, 438,331.56 and 114,758.19

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Solution

The fourth proportional to 292,212.72, 438,331.56 and 114,758.19 is: 172,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,212.72 : 438,331.56 = 114,758.19 : x
  2. Step 2: Convert to fraction form
    292,212.72/438,331.56 = 114,758.19/x
  3. Step 3: Cross multiply
    292,212.72x = 438,331.56 × 114,758.19
  4. Step 4: Simplify right side
    292,212.72x = 50,302,136,445.48
  5. Step 5: Solve for x
    x = 50,302,136,445.48/292,212.72
  6. Step 6: Final answer
    x = 172,142.19

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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.