Home / 292,916.28-439,418.14-105,971.48

Finding the Fourth Proportional to 292,916.28, 439,418.14 and 105,971.48

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Solution

The fourth proportional to 292,916.28, 439,418.14 and 105,971.48 is: 158,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,916.28 : 439,418.14 = 105,971.48 : x
  2. Step 2: Convert to fraction form
    292,916.28/439,418.14 = 105,971.48/x
  3. Step 3: Cross multiply
    292,916.28x = 439,418.14 × 105,971.48
  4. Step 4: Simplify right side
    292,916.28x = 46,565,790,634.65
  5. Step 5: Solve for x
    x = 46,565,790,634.65/292,916.28
  6. Step 6: Final answer
    x = 158,973.04

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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.