Home / 254,564.18-381,929.22-121,427.13

Finding the Fourth Proportional to 254,564.18, 381,929.22 and 121,427.13

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Solution

The fourth proportional to 254,564.18, 381,929.22 and 121,427.13 is: 182,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,564.18 : 381,929.22 = 121,427.13 : x
  2. Step 2: Convert to fraction form
    254,564.18/381,929.22 = 121,427.13/x
  3. Step 3: Cross multiply
    254,564.18x = 381,929.22 × 121,427.13
  4. Step 4: Simplify right side
    254,564.18x = 46,376,569,047.74
  5. Step 5: Solve for x
    x = 46,376,569,047.74/254,564.18
  6. Step 6: Final answer
    x = 182,180.27

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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.