Home / 388,514.19-582,618.06-188,775.48

Finding the Fourth Proportional to 388,514.19, 582,618.06 and 188,775.48

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Solution

The fourth proportional to 388,514.19, 582,618.06 and 188,775.48 is: 283,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,514.19 : 582,618.06 = 188,775.48 : x
  2. Step 2: Convert to fraction form
    388,514.19/582,618.06 = 188,775.48/x
  3. Step 3: Cross multiply
    388,514.19x = 582,618.06 × 188,775.48
  4. Step 4: Simplify right side
    388,514.19x = 109,984,003,933.17
  5. Step 5: Solve for x
    x = 109,984,003,933.17/388,514.19
  6. Step 6: Final answer
    x = 283,088.77

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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.