Home / 248,705.02-343,213.36-135,527.78

Finding the Fourth Proportional to 248,705.02, 343,213.36 and 135,527.78

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Solution

The fourth proportional to 248,705.02, 343,213.36 and 135,527.78 is: 187,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,705.02 : 343,213.36 = 135,527.78 : x
  2. Step 2: Convert to fraction form
    248,705.02/343,213.36 = 135,527.78/x
  3. Step 3: Cross multiply
    248,705.02x = 343,213.36 × 135,527.78
  4. Step 4: Simplify right side
    248,705.02x = 46,514,944,747.14
  5. Step 5: Solve for x
    x = 46,514,944,747.14/248,705.02
  6. Step 6: Final answer
    x = 187,028.57

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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.