Home / 328,226.72-492,423.12-91,569.24

Finding the Fourth Proportional to 328,226.72, 492,423.12 and 91,569.24

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Solution

The fourth proportional to 328,226.72, 492,423.12 and 91,569.24 is: 137,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,226.72 : 492,423.12 = 91,569.24 : x
  2. Step 2: Convert to fraction form
    328,226.72/492,423.12 = 91,569.24/x
  3. Step 3: Cross multiply
    328,226.72x = 492,423.12 × 91,569.24
  4. Step 4: Simplify right side
    328,226.72x = 45,090,810,856.83
  5. Step 5: Solve for x
    x = 45,090,810,856.83/328,226.72
  6. Step 6: Final answer
    x = 137,377.03

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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.