Home / 353,370.07-528,717.56-209,353.24

Finding the Fourth Proportional to 353,370.07, 528,717.56 and 209,353.24

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Solution

The fourth proportional to 353,370.07, 528,717.56 and 209,353.24 is: 313,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,370.07 : 528,717.56 = 209,353.24 : x
  2. Step 2: Convert to fraction form
    353,370.07/528,717.56 = 209,353.24/x
  3. Step 3: Cross multiply
    353,370.07x = 528,717.56 × 209,353.24
  4. Step 4: Simplify right side
    353,370.07x = 110,688,734,230.89
  5. Step 5: Solve for x
    x = 110,688,734,230.89/353,370.07
  6. Step 6: Final answer
    x = 313,237.43

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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.