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Finding the Fourth Proportional to 328,463.38, 492,367.02 and 283,301.83

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Solution

The fourth proportional to 328,463.38, 492,367.02 and 283,301.83 is: 424,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,463.38 : 492,367.02 = 283,301.83 : x
  2. Step 2: Convert to fraction form
    328,463.38/492,367.02 = 283,301.83/x
  3. Step 3: Cross multiply
    328,463.38x = 492,367.02 × 283,301.83
  4. Step 4: Simplify right side
    328,463.38x = 139,488,477,797.65
  5. Step 5: Solve for x
    x = 139,488,477,797.65/328,463.38
  6. Step 6: Final answer
    x = 424,669.80

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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.