Home / 263,365.72-363,443.51-142,509.17

Finding the Fourth Proportional to 263,365.72, 363,443.51 and 142,509.17

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Solution

The fourth proportional to 263,365.72, 363,443.51 and 142,509.17 is: 196,662.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,365.72 : 363,443.51 = 142,509.17 : x
  2. Step 2: Convert to fraction form
    263,365.72/363,443.51 = 142,509.17/x
  3. Step 3: Cross multiply
    263,365.72x = 363,443.51 × 142,509.17
  4. Step 4: Simplify right side
    263,365.72x = 51,794,034,216.87
  5. Step 5: Solve for x
    x = 51,794,034,216.87/263,365.72
  6. Step 6: Final answer
    x = 196,662.02

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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.