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Finding the Fourth Proportional to 254,352.66, 351,008.03 and 158,914.71

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Solution

The fourth proportional to 254,352.66, 351,008.03 and 158,914.71 is: 219,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,352.66 : 351,008.03 = 158,914.71 : x
  2. Step 2: Convert to fraction form
    254,352.66/351,008.03 = 158,914.71/x
  3. Step 3: Cross multiply
    254,352.66x = 351,008.03 × 158,914.71
  4. Step 4: Simplify right side
    254,352.66x = 55,780,339,692.41
  5. Step 5: Solve for x
    x = 55,780,339,692.41/254,352.66
  6. Step 6: Final answer
    x = 219,303.15

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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.