Home / 351,825.48-528,444.12-209,947.50

Finding the Fourth Proportional to 351,825.48, 528,444.12 and 209,947.50

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Solution

The fourth proportional to 351,825.48, 528,444.12 and 209,947.50 is: 315,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,825.48 : 528,444.12 = 209,947.50 : x
  2. Step 2: Convert to fraction form
    351,825.48/528,444.12 = 209,947.50/x
  3. Step 3: Cross multiply
    351,825.48x = 528,444.12 × 209,947.50
  4. Step 4: Simplify right side
    351,825.48x = 110,945,521,883.70
  5. Step 5: Solve for x
    x = 110,945,521,883.70/351,825.48
  6. Step 6: Final answer
    x = 315,342.49

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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.