Home / 330,228.02-455,716.41-187,015.94

Finding the Fourth Proportional to 330,228.02, 455,716.41 and 187,015.94

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Solution

The fourth proportional to 330,228.02, 455,716.41 and 187,015.94 is: 258,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,228.02 : 455,716.41 = 187,015.94 : x
  2. Step 2: Convert to fraction form
    330,228.02/455,716.41 = 187,015.94/x
  3. Step 3: Cross multiply
    330,228.02x = 455,716.41 × 187,015.94
  4. Step 4: Simplify right side
    330,228.02x = 85,226,232,789.58
  5. Step 5: Solve for x
    x = 85,226,232,789.58/330,228.02
  6. Step 6: Final answer
    x = 258,082.98

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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.