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Finding the Fourth Proportional to 228,944.70, 343,417.05 and 216,042.30

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Solution

The fourth proportional to 228,944.70, 343,417.05 and 216,042.30 is: 324,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,944.70 : 343,417.05 = 216,042.30 : x
  2. Step 2: Convert to fraction form
    228,944.70/343,417.05 = 216,042.30/x
  3. Step 3: Cross multiply
    228,944.70x = 343,417.05 × 216,042.30
  4. Step 4: Simplify right side
    228,944.70x = 74,192,609,341.22
  5. Step 5: Solve for x
    x = 74,192,609,341.22/228,944.70
  6. Step 6: Final answer
    x = 324,063.45

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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.