Home / 279,527.36-385,550.08-270,269.60

Finding the Fourth Proportional to 279,527.36, 385,550.08 and 270,269.60

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Solution

The fourth proportional to 279,527.36, 385,550.08 and 270,269.60 is: 372,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,527.36 : 385,550.08 = 270,269.60 : x
  2. Step 2: Convert to fraction form
    279,527.36/385,550.08 = 270,269.60/x
  3. Step 3: Cross multiply
    279,527.36x = 385,550.08 × 270,269.60
  4. Step 4: Simplify right side
    279,527.36x = 104,202,465,901.57
  5. Step 5: Solve for x
    x = 104,202,465,901.57/279,527.36
  6. Step 6: Final answer
    x = 372,780.92

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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.