Home / 254,133.42-381,223.71-181,407.84

Finding the Fourth Proportional to 254,133.42, 381,223.71 and 181,407.84

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Solution

The fourth proportional to 254,133.42, 381,223.71 and 181,407.84 is: 272,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,133.42 : 381,223.71 = 181,407.84 : x
  2. Step 2: Convert to fraction form
    254,133.42/381,223.71 = 181,407.84/x
  3. Step 3: Cross multiply
    254,133.42x = 381,223.71 × 181,407.84
  4. Step 4: Simplify right side
    254,133.42x = 69,156,969,787.89
  5. Step 5: Solve for x
    x = 69,156,969,787.89/254,133.42
  6. Step 6: Final answer
    x = 272,128.59

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1.5x scale

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.