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Finding the Fourth Proportional to 224,871.40, 337,112.70 and 136,030.60

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Solution

The fourth proportional to 224,871.40, 337,112.70 and 136,030.60 is: 203,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,871.40 : 337,112.70 = 136,030.60 : x
  2. Step 2: Convert to fraction form
    224,871.40/337,112.70 = 136,030.60/x
  3. Step 3: Cross multiply
    224,871.40x = 337,112.70 × 136,030.60
  4. Step 4: Simplify right side
    224,871.40x = 45,857,642,848.62
  5. Step 5: Solve for x
    x = 45,857,642,848.62/224,871.40
  6. Step 6: Final answer
    x = 203,928.30

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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.