Home / 328,226.28-492,339.02-117,864.42

Finding the Fourth Proportional to 328,226.28, 492,339.02 and 117,864.42

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Solution

The fourth proportional to 328,226.28, 492,339.02 and 117,864.42 is: 176,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,226.28 : 492,339.02 = 117,864.42 : x
  2. Step 2: Convert to fraction form
    328,226.28/492,339.02 = 117,864.42/x
  3. Step 3: Cross multiply
    328,226.28x = 492,339.02 × 117,864.42
  4. Step 4: Simplify right side
    328,226.28x = 58,029,252,446.35
  5. Step 5: Solve for x
    x = 58,029,252,446.35/328,226.28
  6. Step 6: Final answer
    x = 176,796.48

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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.