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Finding the Fourth Proportional to 370,950.30, 511,911.51 and 201,182.94

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Solution

The fourth proportional to 370,950.30, 511,911.51 and 201,182.94 is: 277,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,950.30 : 511,911.51 = 201,182.94 : x
  2. Step 2: Convert to fraction form
    370,950.30/511,911.51 = 201,182.94/x
  3. Step 3: Cross multiply
    370,950.30x = 511,911.51 × 201,182.94
  4. Step 4: Simplify right side
    370,950.30x = 102,987,862,601.64
  5. Step 5: Solve for x
    x = 102,987,862,601.64/370,950.30
  6. Step 6: Final answer
    x = 277,632.51

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1.5x scale

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.