Home / 345,733.11-517,907.93-274,775.49

Finding the Fourth Proportional to 345,733.11, 517,907.93 and 274,775.49

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Solution

The fourth proportional to 345,733.11, 517,907.93 and 274,775.49 is: 411,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,733.11 : 517,907.93 = 274,775.49 : x
  2. Step 2: Convert to fraction form
    345,733.11/517,907.93 = 274,775.49/x
  3. Step 3: Cross multiply
    345,733.11x = 517,907.93 × 274,775.49
  4. Step 4: Simplify right side
    345,733.11x = 142,308,403,866.76
  5. Step 5: Solve for x
    x = 142,308,403,866.76/345,733.11
  6. Step 6: Final answer
    x = 411,613.47

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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.