Home / 228,848.30-343,272.45-71,125.10

Finding the Fourth Proportional to 228,848.30, 343,272.45 and 71,125.10

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Solution

The fourth proportional to 228,848.30, 343,272.45 and 71,125.10 is: 106,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,848.30 : 343,272.45 = 71,125.10 : x
  2. Step 2: Convert to fraction form
    228,848.30/343,272.45 = 71,125.10/x
  3. Step 3: Cross multiply
    228,848.30x = 343,272.45 × 71,125.10
  4. Step 4: Simplify right side
    228,848.30x = 24,415,287,333.50
  5. Step 5: Solve for x
    x = 24,415,287,333.50/228,848.30
  6. Step 6: Final answer
    x = 106,687.65

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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.