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Finding the Fourth Proportional to 370,521.87, 511,320.32 and 200,756.00

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Solution

The fourth proportional to 370,521.87, 511,320.32 and 200,756.00 is: 277,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,521.87 : 511,320.32 = 200,756.00 : x
  2. Step 2: Convert to fraction form
    370,521.87/511,320.32 = 200,756.00/x
  3. Step 3: Cross multiply
    370,521.87x = 511,320.32 × 200,756.00
  4. Step 4: Simplify right side
    370,521.87x = 102,650,618,601.54
  5. Step 5: Solve for x
    x = 102,650,618,601.54/370,521.87
  6. Step 6: Final answer
    x = 277,043.35

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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.