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Finding the Fourth Proportional to 264,348.86, 364,801.77 and 143,490.06

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Solution

The fourth proportional to 264,348.86, 364,801.77 and 143,490.06 is: 198,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,348.86 : 364,801.77 = 143,490.06 : x
  2. Step 2: Convert to fraction form
    264,348.86/364,801.77 = 143,490.06/x
  3. Step 3: Cross multiply
    264,348.86x = 364,801.77 × 143,490.06
  4. Step 4: Simplify right side
    264,348.86x = 52,345,427,865.41
  5. Step 5: Solve for x
    x = 52,345,427,865.41/264,348.86
  6. Step 6: Final answer
    x = 198,016.47

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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.