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Finding the Fourth Proportional to 353,369.07, 528,716.06 and 209,352.24

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Solution

The fourth proportional to 353,369.07, 528,716.06 and 209,352.24 is: 313,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,369.07 : 528,716.06 = 209,352.24 : x
  2. Step 2: Convert to fraction form
    353,369.07/528,716.06 = 209,352.24/x
  3. Step 3: Cross multiply
    353,369.07x = 528,716.06 × 209,352.24
  4. Step 4: Simplify right side
    353,369.07x = 110,687,891,484.97
  5. Step 5: Solve for x
    x = 110,687,891,484.97/353,369.07
  6. Step 6: Final answer
    x = 313,235.94

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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.