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Finding the Fourth Proportional to 370,762, 511,648.52 and 200,991.76

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Solution

The fourth proportional to 370,762, 511,648.52 and 200,991.76 is: 277,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,762 : 511,648.52 = 200,991.76 : x
  2. Step 2: Convert to fraction form
    370,762/511,648.52 = 200,991.76/x
  3. Step 3: Cross multiply
    370,762x = 511,648.52 × 200,991.76
  4. Step 4: Simplify right side
    370,762x = 102,837,136,536.20
  5. Step 5: Solve for x
    x = 102,837,136,536.20/370,762
  6. Step 6: Final answer
    x = 277,366.98

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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.