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Finding the Fourth Proportional to 266,655.91, 368,007.87 and 151,969.63

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Solution

The fourth proportional to 266,655.91, 368,007.87 and 151,969.63 is: 209,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,655.91 : 368,007.87 = 151,969.63 : x
  2. Step 2: Convert to fraction form
    266,655.91/368,007.87 = 151,969.63/x
  3. Step 3: Cross multiply
    266,655.91x = 368,007.87 × 151,969.63
  4. Step 4: Simplify right side
    266,655.91x = 55,926,019,840.99
  5. Step 5: Solve for x
    x = 55,926,019,840.99/266,655.91
  6. Step 6: Final answer
    x = 209,731.03

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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.