Home / 328,441.61-492,619.97-103,824.72

Finding the Fourth Proportional to 328,441.61, 492,619.97 and 103,824.72

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Solution

The fourth proportional to 328,441.61, 492,619.97 and 103,824.72 is: 155,723.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,441.61 : 492,619.97 = 103,824.72 : x
  2. Step 2: Convert to fraction form
    328,441.61/492,619.97 = 103,824.72/x
  3. Step 3: Cross multiply
    328,441.61x = 492,619.97 × 103,824.72
  4. Step 4: Simplify right side
    328,441.61x = 51,146,130,711.22
  5. Step 5: Solve for x
    x = 51,146,130,711.22/328,441.61
  6. Step 6: Final answer
    x = 155,723.66

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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.