Home / 328,359.03-492,566.49-103,659.35

Finding the Fourth Proportional to 328,359.03, 492,566.49 and 103,659.35

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Solution

The fourth proportional to 328,359.03, 492,566.49 and 103,659.35 is: 155,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,359.03 : 492,566.49 = 103,659.35 : x
  2. Step 2: Convert to fraction form
    328,359.03/492,566.49 = 103,659.35/x
  3. Step 3: Cross multiply
    328,359.03x = 492,566.49 × 103,659.35
  4. Step 4: Simplify right side
    328,359.03x = 51,059,122,185.18
  5. Step 5: Solve for x
    x = 51,059,122,185.18/328,359.03
  6. Step 6: Final answer
    x = 155,497.85

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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.