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Finding the Fourth Proportional to 270,904.63, 374,099.69 and 202,803.37

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Solution

The fourth proportional to 270,904.63, 374,099.69 and 202,803.37 is: 280,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,904.63 : 374,099.69 = 202,803.37 : x
  2. Step 2: Convert to fraction form
    270,904.63/374,099.69 = 202,803.37/x
  3. Step 3: Cross multiply
    270,904.63x = 374,099.69 × 202,803.37
  4. Step 4: Simplify right side
    270,904.63x = 75,868,677,901.49
  5. Step 5: Solve for x
    x = 75,868,677,901.49/270,904.63
  6. Step 6: Final answer
    x = 280,056.78

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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.