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Finding the Fourth Proportional to 254,353.66, 351,009.41 and 158,915.71

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Solution

The fourth proportional to 254,353.66, 351,009.41 and 158,915.71 is: 219,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,353.66 : 351,009.41 = 158,915.71 : x
  2. Step 2: Convert to fraction form
    254,353.66/351,009.41 = 158,915.71/x
  3. Step 3: Cross multiply
    254,353.66x = 351,009.41 × 158,915.71
  4. Step 4: Simplify right side
    254,353.66x = 55,780,909,606.83
  5. Step 5: Solve for x
    x = 55,780,909,606.83/254,353.66
  6. Step 6: Final answer
    x = 219,304.53

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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.