Home / 254,510.25-381,596.88-121,411.05

Finding the Fourth Proportional to 254,510.25, 381,596.88 and 121,411.05

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Solution

The fourth proportional to 254,510.25, 381,596.88 and 121,411.05 is: 182,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,510.25 : 381,596.88 = 121,411.05 : x
  2. Step 2: Convert to fraction form
    254,510.25/381,596.88 = 121,411.05/x
  3. Step 3: Cross multiply
    254,510.25x = 381,596.88 × 121,411.05
  4. Step 4: Simplify right side
    254,510.25x = 46,330,077,877.52
  5. Step 5: Solve for x
    x = 46,330,077,877.52/254,510.25
  6. Step 6: Final answer
    x = 182,036.20

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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.