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Finding the Fourth Proportional to 369,998.48, 510,601.64 and 200,236.24

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Solution

The fourth proportional to 369,998.48, 510,601.64 and 200,236.24 is: 276,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,998.48 : 510,601.64 = 200,236.24 : x
  2. Step 2: Convert to fraction form
    369,998.48/510,601.64 = 200,236.24/x
  3. Step 3: Cross multiply
    369,998.48x = 510,601.64 × 200,236.24
  4. Step 4: Simplify right side
    369,998.48x = 102,240,952,531.43
  5. Step 5: Solve for x
    x = 102,240,952,531.43/369,998.48
  6. Step 6: Final answer
    x = 276,328.03

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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.