Home / 293,142.16-439,739.16-159,965.20

Finding the Fourth Proportional to 293,142.16, 439,739.16 and 159,965.20

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Solution

The fourth proportional to 293,142.16, 439,739.16 and 159,965.20 is: 239,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,142.16 : 439,739.16 = 159,965.20 : x
  2. Step 2: Convert to fraction form
    293,142.16/439,739.16 = 159,965.20/x
  3. Step 3: Cross multiply
    293,142.16x = 439,739.16 × 159,965.20
  4. Step 4: Simplify right side
    293,142.16x = 70,342,962,677.23
  5. Step 5: Solve for x
    x = 70,342,962,677.23/293,142.16
  6. Step 6: Final answer
    x = 239,961.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.