Home / 388,587.45-582,133.33-238,389.15

Finding the Fourth Proportional to 388,587.45, 582,133.33 and 238,389.15

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Solution

The fourth proportional to 388,587.45, 582,133.33 and 238,389.15 is: 357,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,587.45 : 582,133.33 = 238,389.15 : x
  2. Step 2: Convert to fraction form
    388,587.45/582,133.33 = 238,389.15/x
  3. Step 3: Cross multiply
    388,587.45x = 582,133.33 × 238,389.15
  4. Step 4: Simplify right side
    388,587.45x = 138,774,269,725.37
  5. Step 5: Solve for x
    x = 138,774,269,725.37/388,587.45
  6. Step 6: Final answer
    x = 357,124.94

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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.