Home / 380,880.02-571,273.32-221,042.91

Finding the Fourth Proportional to 380,880.02, 571,273.32 and 221,042.91

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Solution

The fourth proportional to 380,880.02, 571,273.32 and 221,042.91 is: 331,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,880.02 : 571,273.32 = 221,042.91 : x
  2. Step 2: Convert to fraction form
    380,880.02/571,273.32 = 221,042.91/x
  3. Step 3: Cross multiply
    380,880.02x = 571,273.32 × 221,042.91
  4. Step 4: Simplify right side
    380,880.02x = 126,275,916,136.23
  5. Step 5: Solve for x
    x = 126,275,916,136.23/380,880.02
  6. Step 6: Final answer
    x = 331,537.26

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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.