Home / 217,415.91-300,037.02-131,362.92

Finding the Fourth Proportional to 217,415.91, 300,037.02 and 131,362.92

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Solution

The fourth proportional to 217,415.91, 300,037.02 and 131,362.92 is: 181,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,415.91 : 300,037.02 = 131,362.92 : x
  2. Step 2: Convert to fraction form
    217,415.91/300,037.02 = 131,362.92/x
  3. Step 3: Cross multiply
    217,415.91x = 300,037.02 × 131,362.92
  4. Step 4: Simplify right side
    217,415.91x = 39,413,739,055.30
  5. Step 5: Solve for x
    x = 39,413,739,055.30/217,415.91
  6. Step 6: Final answer
    x = 181,282.68

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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.