Home / 328,208.22-492,312.33-103,586.13

Finding the Fourth Proportional to 328,208.22, 492,312.33 and 103,586.13

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Solution

The fourth proportional to 328,208.22, 492,312.33 and 103,586.13 is: 155,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,208.22 : 492,312.33 = 103,586.13 : x
  2. Step 2: Convert to fraction form
    328,208.22/492,312.33 = 103,586.13/x
  3. Step 3: Cross multiply
    328,208.22x = 492,312.33 × 103,586.13
  4. Step 4: Simplify right side
    328,208.22x = 50,996,729,015.98
  5. Step 5: Solve for x
    x = 50,996,729,015.98/328,208.22
  6. Step 6: Final answer
    x = 155,379.20

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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.