Home / 328,014.02-492,049.25-91,356.73

Finding the Fourth Proportional to 328,014.02, 492,049.25 and 91,356.73

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Solution

The fourth proportional to 328,014.02, 492,049.25 and 91,356.73 is: 137,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,014.02 : 492,049.25 = 91,356.73 : x
  2. Step 2: Convert to fraction form
    328,014.02/492,049.25 = 91,356.73/x
  3. Step 3: Cross multiply
    328,014.02x = 492,049.25 × 91,356.73
  4. Step 4: Simplify right side
    328,014.02x = 44,952,009,134.63
  5. Step 5: Solve for x
    x = 44,952,009,134.63/328,014.02
  6. Step 6: Final answer
    x = 137,042.95

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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.