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Finding the Fourth Proportional to 279,053.84, 418,667.18 and 96,700.16

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Solution

The fourth proportional to 279,053.84, 418,667.18 and 96,700.16 is: 145,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,053.84 : 418,667.18 = 96,700.16 : x
  2. Step 2: Convert to fraction form
    279,053.84/418,667.18 = 96,700.16/x
  3. Step 3: Cross multiply
    279,053.84x = 418,667.18 × 96,700.16
  4. Step 4: Simplify right side
    279,053.84x = 40,485,183,292.75
  5. Step 5: Solve for x
    x = 40,485,183,292.75/279,053.84
  6. Step 6: Final answer
    x = 145,080.19

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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.