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Finding the Fourth Proportional to 279,095.04, 418,820.16 and 101,584.80

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Solution

The fourth proportional to 279,095.04, 418,820.16 and 101,584.80 is: 152,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,095.04 : 418,820.16 = 101,584.80 : x
  2. Step 2: Convert to fraction form
    279,095.04/418,820.16 = 101,584.80/x
  3. Step 3: Cross multiply
    279,095.04x = 418,820.16 × 101,584.80
  4. Step 4: Simplify right side
    279,095.04x = 42,545,762,189.57
  5. Step 5: Solve for x
    x = 42,545,762,189.57/279,095.04
  6. Step 6: Final answer
    x = 152,441.84

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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.