Home / 388,570.24-582,702.08-188,831.52

Finding the Fourth Proportional to 388,570.24, 582,702.08 and 188,831.52

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Solution

The fourth proportional to 388,570.24, 582,702.08 and 188,831.52 is: 283,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,570.24 : 582,702.08 = 188,831.52 : x
  2. Step 2: Convert to fraction form
    388,570.24/582,702.08 = 188,831.52/x
  3. Step 3: Cross multiply
    388,570.24x = 582,702.08 × 188,831.52
  4. Step 4: Simplify right side
    388,570.24x = 110,032,519,473.56
  5. Step 5: Solve for x
    x = 110,032,519,473.56/388,570.24
  6. Step 6: Final answer
    x = 283,172.79

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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.