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Finding the Fourth Proportional to 310,999.40, 429,200.88 and 175,046.37

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Solution

The fourth proportional to 310,999.40, 429,200.88 and 175,046.37 is: 241,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,999.40 : 429,200.88 = 175,046.37 : x
  2. Step 2: Convert to fraction form
    310,999.40/429,200.88 = 175,046.37/x
  3. Step 3: Cross multiply
    310,999.40x = 429,200.88 × 175,046.37
  4. Step 4: Simplify right side
    310,999.40x = 75,130,053,778.88
  5. Step 5: Solve for x
    x = 75,130,053,778.88/310,999.40
  6. Step 6: Final answer
    x = 241,576.20

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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.