Home / 270,584.24-405,762.17-81,071.55

Finding the Fourth Proportional to 270,584.24, 405,762.17 and 81,071.55

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Solution

The fourth proportional to 270,584.24, 405,762.17 and 81,071.55 is: 121,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,584.24 : 405,762.17 = 81,071.55 : x
  2. Step 2: Convert to fraction form
    270,584.24/405,762.17 = 81,071.55/x
  3. Step 3: Cross multiply
    270,584.24x = 405,762.17 × 81,071.55
  4. Step 4: Simplify right side
    270,584.24x = 32,895,767,647.91
  5. Step 5: Solve for x
    x = 32,895,767,647.91/270,584.24
  6. Step 6: Final answer
    x = 121,573.11

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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.