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Finding the Fourth Proportional to 371,055.57, 512,057.67 and 201,289.69

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Solution

The fourth proportional to 371,055.57, 512,057.67 and 201,289.69 is: 277,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,055.57 : 512,057.67 = 201,289.69 : x
  2. Step 2: Convert to fraction form
    371,055.57/512,057.67 = 201,289.69/x
  3. Step 3: Cross multiply
    371,055.57x = 512,057.67 × 201,289.69
  4. Step 4: Simplify right side
    371,055.57x = 103,071,929,541.66
  5. Step 5: Solve for x
    x = 103,071,929,541.66/371,055.57
  6. Step 6: Final answer
    x = 277,780.31

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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.