Home / 759,156.12-1,138,712.04-198,190.62

Finding the Fourth Proportional to 759,156.12, 1,138,712.04 and 198,190.62

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Solution

The fourth proportional to 759,156.12, 1,138,712.04 and 198,190.62 is: 297,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,156.12 : 1,138,712.04 = 198,190.62 : x
  2. Step 2: Convert to fraction form
    759,156.12/1,138,712.04 = 198,190.62/x
  3. Step 3: Cross multiply
    759,156.12x = 1,138,712.04 × 198,190.62
  4. Step 4: Simplify right side
    759,156.12x = 225,682,045,209.07
  5. Step 5: Solve for x
    x = 225,682,045,209.07/759,156.12
  6. Step 6: Final answer
    x = 297,280.15

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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.