Home / 254,353.16-351,008.73-158,915.21

Finding the Fourth Proportional to 254,353.16, 351,008.73 and 158,915.21

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Solution

The fourth proportional to 254,353.16, 351,008.73 and 158,915.21 is: 219,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,353.16 : 351,008.73 = 158,915.21 : x
  2. Step 2: Convert to fraction form
    254,353.16/351,008.73 = 158,915.21/x
  3. Step 3: Cross multiply
    254,353.16x = 351,008.73 × 158,915.21
  4. Step 4: Simplify right side
    254,353.16x = 55,780,625,245.21
  5. Step 5: Solve for x
    x = 55,780,625,245.21/254,353.16
  6. Step 6: Final answer
    x = 219,303.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.