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Finding the Fourth Proportional to 228,600.68, 316,070.64 and 200,224.76

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Solution

The fourth proportional to 228,600.68, 316,070.64 and 200,224.76 is: 276,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,600.68 : 316,070.64 = 200,224.76 : x
  2. Step 2: Convert to fraction form
    228,600.68/316,070.64 = 200,224.76/x
  3. Step 3: Cross multiply
    228,600.68x = 316,070.64 × 200,224.76
  4. Step 4: Simplify right side
    228,600.68x = 63,285,166,456.69
  5. Step 5: Solve for x
    x = 63,285,166,456.69/228,600.68
  6. Step 6: Final answer
    x = 276,837.18

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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.