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Finding the Fourth Proportional to 264,350.38, 364,802.88 and 143,490.61

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Solution

The fourth proportional to 264,350.38, 364,802.88 and 143,490.61 is: 198,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,350.38 : 364,802.88 = 143,490.61 : x
  2. Step 2: Convert to fraction form
    264,350.38/364,802.88 = 143,490.61/x
  3. Step 3: Cross multiply
    264,350.38x = 364,802.88 × 143,490.61
  4. Step 4: Simplify right side
    264,350.38x = 52,345,786,483.62
  5. Step 5: Solve for x
    x = 52,345,786,483.62/264,350.38
  6. Step 6: Final answer
    x = 198,016.69

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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.