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Finding the Fourth Proportional to 262,830.80, 362,706.65 and 141,972.09

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Solution

The fourth proportional to 262,830.80, 362,706.65 and 141,972.09 is: 195,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,830.80 : 362,706.65 = 141,972.09 : x
  2. Step 2: Convert to fraction form
    262,830.80/362,706.65 = 141,972.09/x
  3. Step 3: Cross multiply
    262,830.80x = 362,706.65 × 141,972.09
  4. Step 4: Simplify right side
    262,830.80x = 51,494,218,634.00
  5. Step 5: Solve for x
    x = 51,494,218,634.00/262,830.80
  6. Step 6: Final answer
    x = 195,921.55

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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.