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Finding the Fourth Proportional to 269,396.01, 371,783.05 and 148,536.92

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Solution

The fourth proportional to 269,396.01, 371,783.05 and 148,536.92 is: 204,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,396.01 : 371,783.05 = 148,536.92 : x
  2. Step 2: Convert to fraction form
    269,396.01/371,783.05 = 148,536.92/x
  3. Step 3: Cross multiply
    269,396.01x = 371,783.05 × 148,536.92
  4. Step 4: Simplify right side
    269,396.01x = 55,223,509,713.32
  5. Step 5: Solve for x
    x = 55,223,509,713.32/269,396.01
  6. Step 6: Final answer
    x = 204,990.08

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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.