Home / 438,285.16-657,831.87-222,295.48

Finding the Fourth Proportional to 438,285.16, 657,831.87 and 222,295.48

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Solution

The fourth proportional to 438,285.16, 657,831.87 and 222,295.48 is: 333,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,285.16 : 657,831.87 = 222,295.48 : x
  2. Step 2: Convert to fraction form
    438,285.16/657,831.87 = 222,295.48/x
  3. Step 3: Cross multiply
    438,285.16x = 657,831.87 × 222,295.48
  4. Step 4: Simplify right side
    438,285.16x = 146,233,052,131.73
  5. Step 5: Solve for x
    x = 146,233,052,131.73/438,285.16
  6. Step 6: Final answer
    x = 333,648.19

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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.