Home / 263,217.87-363,239.58-142,359.30

Finding the Fourth Proportional to 263,217.87, 363,239.58 and 142,359.30

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Solution

The fourth proportional to 263,217.87, 363,239.58 and 142,359.30 is: 196,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,217.87 : 363,239.58 = 142,359.30 : x
  2. Step 2: Convert to fraction form
    263,217.87/363,239.58 = 142,359.30/x
  3. Step 3: Cross multiply
    263,217.87x = 363,239.58 × 142,359.30
  4. Step 4: Simplify right side
    263,217.87x = 51,710,532,341.09
  5. Step 5: Solve for x
    x = 51,710,532,341.09/263,217.87
  6. Step 6: Final answer
    x = 196,455.25

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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.