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Finding the Fourth Proportional to 273,980.88, 411,004.53 and 96,451.56

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Solution

The fourth proportional to 273,980.88, 411,004.53 and 96,451.56 is: 144,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,980.88 : 411,004.53 = 96,451.56 : x
  2. Step 2: Convert to fraction form
    273,980.88/411,004.53 = 96,451.56/x
  3. Step 3: Cross multiply
    273,980.88x = 411,004.53 × 96,451.56
  4. Step 4: Simplify right side
    273,980.88x = 39,642,028,085.57
  5. Step 5: Solve for x
    x = 39,642,028,085.57/273,980.88
  6. Step 6: Final answer
    x = 144,689.03

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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.