Home / 759,087.60-1,138,643.55-198,122.10

Finding the Fourth Proportional to 759,087.60, 1,138,643.55 and 198,122.10

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Solution

The fourth proportional to 759,087.60, 1,138,643.55 and 198,122.10 is: 297,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,087.60 : 1,138,643.55 = 198,122.10 : x
  2. Step 2: Convert to fraction form
    759,087.60/1,138,643.55 = 198,122.10/x
  3. Step 3: Cross multiply
    759,087.60x = 1,138,643.55 × 198,122.10
  4. Step 4: Simplify right side
    759,087.60x = 225,590,451,277.46
  5. Step 5: Solve for x
    x = 225,590,451,277.46/759,087.60
  6. Step 6: Final answer
    x = 297,186.32

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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.