Home / 328,300.36-492,451.08-187,961.92

Finding the Fourth Proportional to 328,300.36, 492,451.08 and 187,961.92

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Solution

The fourth proportional to 328,300.36, 492,451.08 and 187,961.92 is: 281,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,300.36 : 492,451.08 = 187,961.92 : x
  2. Step 2: Convert to fraction form
    328,300.36/492,451.08 = 187,961.92/x
  3. Step 3: Cross multiply
    328,300.36x = 492,451.08 × 187,961.92
  4. Step 4: Simplify right side
    328,300.36x = 92,562,050,502.87
  5. Step 5: Solve for x
    x = 92,562,050,502.87/328,300.36
  6. Step 6: Final answer
    x = 281,943.19

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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.