Home / 263,389.28-363,478.16-142,530.55

Finding the Fourth Proportional to 263,389.28, 363,478.16 and 142,530.55

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Solution

The fourth proportional to 263,389.28, 363,478.16 and 142,530.55 is: 196,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,389.28 : 363,478.16 = 142,530.55 : x
  2. Step 2: Convert to fraction form
    263,389.28/363,478.16 = 142,530.55/x
  3. Step 3: Cross multiply
    263,389.28x = 363,478.16 × 142,530.55
  4. Step 4: Simplify right side
    263,389.28x = 51,806,741,345.14
  5. Step 5: Solve for x
    x = 51,806,741,345.14/263,389.28
  6. Step 6: Final answer
    x = 196,692.68

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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.