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Finding the Fourth Proportional to 260,034.20, 358,607.08 and 199,607.40

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Solution

The fourth proportional to 260,034.20, 358,607.08 and 199,607.40 is: 275,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,034.20 : 358,607.08 = 199,607.40 : x
  2. Step 2: Convert to fraction form
    260,034.20/358,607.08 = 199,607.40/x
  3. Step 3: Cross multiply
    260,034.20x = 358,607.08 × 199,607.40
  4. Step 4: Simplify right side
    260,034.20x = 71,580,626,860.39
  5. Step 5: Solve for x
    x = 71,580,626,860.39/260,034.20
  6. Step 6: Final answer
    x = 275,273.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.