Home / 405,827.49-560,034.56-224,539.43

Finding the Fourth Proportional to 405,827.49, 560,034.56 and 224,539.43

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Solution

The fourth proportional to 405,827.49, 560,034.56 and 224,539.43 is: 309,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,827.49 : 560,034.56 = 224,539.43 : x
  2. Step 2: Convert to fraction form
    405,827.49/560,034.56 = 224,539.43/x
  3. Step 3: Cross multiply
    405,827.49x = 560,034.56 × 224,539.43
  4. Step 4: Simplify right side
    405,827.49x = 125,749,836,959.83
  5. Step 5: Solve for x
    x = 125,749,836,959.83/405,827.49
  6. Step 6: Final answer
    x = 309,860.32

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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.