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Finding the Fourth Proportional to 266,682.85, 368,022.29 and 145,824.21

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Solution

The fourth proportional to 266,682.85, 368,022.29 and 145,824.21 is: 201,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,682.85 : 368,022.29 = 145,824.21 : x
  2. Step 2: Convert to fraction form
    266,682.85/368,022.29 = 145,824.21/x
  3. Step 3: Cross multiply
    266,682.85x = 368,022.29 × 145,824.21
  4. Step 4: Simplify right side
    266,682.85x = 53,666,559,701.64
  5. Step 5: Solve for x
    x = 53,666,559,701.64/266,682.85
  6. Step 6: Final answer
    x = 201,237.39

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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.