Home / 263,389.15-363,477.99-142,530.42

Finding the Fourth Proportional to 263,389.15, 363,477.99 and 142,530.42

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Solution

The fourth proportional to 263,389.15, 363,477.99 and 142,530.42 is: 196,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,389.15 : 363,477.99 = 142,530.42 : x
  2. Step 2: Convert to fraction form
    263,389.15/363,477.99 = 142,530.42/x
  3. Step 3: Cross multiply
    263,389.15x = 363,477.99 × 142,530.42
  4. Step 4: Simplify right side
    263,389.15x = 51,806,669,862.80
  5. Step 5: Solve for x
    x = 51,806,669,862.80/263,389.15
  6. Step 6: Final answer
    x = 196,692.50

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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.