Home / 370,548.03-511,356.60-200,782.16

Finding the Fourth Proportional to 370,548.03, 511,356.60 and 200,782.16

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Solution

The fourth proportional to 370,548.03, 511,356.60 and 200,782.16 is: 277,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,548.03 : 511,356.60 = 200,782.16 : x
  2. Step 2: Convert to fraction form
    370,548.03/511,356.60 = 200,782.16/x
  3. Step 3: Cross multiply
    370,548.03x = 511,356.60 × 200,782.16
  4. Step 4: Simplify right side
    370,548.03x = 102,671,280,121.47
  5. Step 5: Solve for x
    x = 102,671,280,121.47/370,548.03
  6. Step 6: Final answer
    x = 277,079.55

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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.