Home / 364,804.28-547,261.26-128,105.30

Finding the Fourth Proportional to 364,804.28, 547,261.26 and 128,105.30

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Solution

The fourth proportional to 364,804.28, 547,261.26 and 128,105.30 is: 192,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,804.28 : 547,261.26 = 128,105.30 : x
  2. Step 2: Convert to fraction form
    364,804.28/547,261.26 = 128,105.30/x
  3. Step 3: Cross multiply
    364,804.28x = 547,261.26 × 128,105.30
  4. Step 4: Simplify right side
    364,804.28x = 70,107,067,890.68
  5. Step 5: Solve for x
    x = 70,107,067,890.68/364,804.28
  6. Step 6: Final answer
    x = 192,177.21

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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.