Home / 347,926.80-521,890.20-269,097.60

Finding the Fourth Proportional to 347,926.80, 521,890.20 and 269,097.60

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Solution

The fourth proportional to 347,926.80, 521,890.20 and 269,097.60 is: 403,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,926.80 : 521,890.20 = 269,097.60 : x
  2. Step 2: Convert to fraction form
    347,926.80/521,890.20 = 269,097.60/x
  3. Step 3: Cross multiply
    347,926.80x = 521,890.20 × 269,097.60
  4. Step 4: Simplify right side
    347,926.80x = 140,439,400,283.52
  5. Step 5: Solve for x
    x = 140,439,400,283.52/347,926.80
  6. Step 6: Final answer
    x = 403,646.40

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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.