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Finding the Fourth Proportional to 264,661.88, 365,228.96 and 143,805.02

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Solution

The fourth proportional to 264,661.88, 365,228.96 and 143,805.02 is: 198,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,661.88 : 365,228.96 = 143,805.02 : x
  2. Step 2: Convert to fraction form
    264,661.88/365,228.96 = 143,805.02/x
  3. Step 3: Cross multiply
    264,661.88x = 365,228.96 × 143,805.02
  4. Step 4: Simplify right side
    264,661.88x = 52,521,757,897.38
  5. Step 5: Solve for x
    x = 52,521,757,897.38/264,661.88
  6. Step 6: Final answer
    x = 198,448.52

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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.