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Finding the Fourth Proportional to 228,003.70, 342,005.55 and 223,338.10

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Solution

The fourth proportional to 228,003.70, 342,005.55 and 223,338.10 is: 335,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,003.70 : 342,005.55 = 223,338.10 : x
  2. Step 2: Convert to fraction form
    228,003.70/342,005.55 = 223,338.10/x
  3. Step 3: Cross multiply
    228,003.70x = 342,005.55 × 223,338.10
  4. Step 4: Simplify right side
    228,003.70x = 76,382,869,726.46
  5. Step 5: Solve for x
    x = 76,382,869,726.46/228,003.70
  6. Step 6: Final answer
    x = 335,007.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.