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Finding the Fourth Proportional to 273,842.65, 410,396.80 and 213,126.24

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Solution

The fourth proportional to 273,842.65, 410,396.80 and 213,126.24 is: 319,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,842.65 : 410,396.80 = 213,126.24 : x
  2. Step 2: Convert to fraction form
    273,842.65/410,396.80 = 213,126.24/x
  3. Step 3: Cross multiply
    273,842.65x = 410,396.80 × 213,126.24
  4. Step 4: Simplify right side
    273,842.65x = 87,466,326,892.03
  5. Step 5: Solve for x
    x = 87,466,326,892.03/273,842.65
  6. Step 6: Final answer
    x = 319,403.60

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1.5x scale

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.