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Finding the Fourth Proportional to 266,682.84, 368,022.28 and 145,824.22

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Solution

The fourth proportional to 266,682.84, 368,022.28 and 145,824.22 is: 201,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,682.84 : 368,022.28 = 145,824.22 : x
  2. Step 2: Convert to fraction form
    266,682.84/368,022.28 = 145,824.22/x
  3. Step 3: Cross multiply
    266,682.84x = 368,022.28 × 145,824.22
  4. Step 4: Simplify right side
    266,682.84x = 53,666,561,923.62
  5. Step 5: Solve for x
    x = 53,666,561,923.62/266,682.84
  6. Step 6: Final answer
    x = 201,237.40

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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.