Home / 405,943.02-560,192.52-222,180.70

Finding the Fourth Proportional to 405,943.02, 560,192.52 and 222,180.70

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Solution

The fourth proportional to 405,943.02, 560,192.52 and 222,180.70 is: 306,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,943.02 : 560,192.52 = 222,180.70 : x
  2. Step 2: Convert to fraction form
    405,943.02/560,192.52 = 222,180.70/x
  3. Step 3: Cross multiply
    405,943.02x = 560,192.52 × 222,180.70
  4. Step 4: Simplify right side
    405,943.02x = 124,463,966,228.36
  5. Step 5: Solve for x
    x = 124,463,966,228.36/405,943.02
  6. Step 6: Final answer
    x = 306,604.52

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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.