Home / 427,184.39-589,236.70-273,979.91

Finding the Fourth Proportional to 427,184.39, 589,236.70 and 273,979.91

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Solution

The fourth proportional to 427,184.39, 589,236.70 and 273,979.91 is: 377,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,184.39 : 589,236.70 = 273,979.91 : x
  2. Step 2: Convert to fraction form
    427,184.39/589,236.70 = 273,979.91/x
  3. Step 3: Cross multiply
    427,184.39x = 589,236.70 × 273,979.91
  4. Step 4: Simplify right side
    427,184.39x = 161,439,018,822.84
  5. Step 5: Solve for x
    x = 161,439,018,822.84/427,184.39
  6. Step 6: Final answer
    x = 377,914.14

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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.