Home / 254,915.37-382,373.06-121,390.79

Finding the Fourth Proportional to 254,915.37, 382,373.06 and 121,390.79

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Solution

The fourth proportional to 254,915.37, 382,373.06 and 121,390.79 is: 182,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,915.37 : 382,373.06 = 121,390.79 : x
  2. Step 2: Convert to fraction form
    254,915.37/382,373.06 = 121,390.79/x
  3. Step 3: Cross multiply
    254,915.37x = 382,373.06 × 121,390.79
  4. Step 4: Simplify right side
    254,915.37x = 46,416,565,309.30
  5. Step 5: Solve for x
    x = 46,416,565,309.30/254,915.37
  6. Step 6: Final answer
    x = 182,086.18

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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.