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Finding the Fourth Proportional to 253,505.01, 382,036.97 and 228,229.77

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Solution

The fourth proportional to 253,505.01, 382,036.97 and 228,229.77 is: 343,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,505.01 : 382,036.97 = 228,229.77 : x
  2. Step 2: Convert to fraction form
    253,505.01/382,036.97 = 228,229.77/x
  3. Step 3: Cross multiply
    253,505.01x = 382,036.97 × 228,229.77
  4. Step 4: Simplify right side
    253,505.01x = 87,192,208,653.45
  5. Step 5: Solve for x
    x = 87,192,208,653.45/253,505.01
  6. Step 6: Final answer
    x = 343,946.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.