Home / 229,650.40-344,489-69,731.55

Finding the Fourth Proportional to 229,650.40, 344,489 and 69,731.55

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Solution

The fourth proportional to 229,650.40, 344,489 and 69,731.55 is: 104,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,650.40 : 344,489 = 69,731.55 : x
  2. Step 2: Convert to fraction form
    229,650.40/344,489 = 69,731.55/x
  3. Step 3: Cross multiply
    229,650.40x = 344,489 × 69,731.55
  4. Step 4: Simplify right side
    229,650.40x = 24,021,750,205.51
  5. Step 5: Solve for x
    x = 24,021,750,205.51/229,650.40
  6. Step 6: Final answer
    x = 104,601.39

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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.