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Finding the Fourth Proportional to 328,133.92, 492,228.68 and 91,476.83

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Solution

The fourth proportional to 328,133.92, 492,228.68 and 91,476.83 is: 137,223.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,133.92 : 492,228.68 = 91,476.83 : x
  2. Step 2: Convert to fraction form
    328,133.92/492,228.68 = 91,476.83/x
  3. Step 3: Cross multiply
    328,133.92x = 492,228.68 × 91,476.83
  4. Step 4: Simplify right side
    328,133.92x = 45,027,519,281.48
  5. Step 5: Solve for x
    x = 45,027,519,281.48/328,133.92
  6. Step 6: Final answer
    x = 137,223.00

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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.