Home / 313,481.48-432,631.20-177,539.24

Finding the Fourth Proportional to 313,481.48, 432,631.20 and 177,539.24

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Solution

The fourth proportional to 313,481.48, 432,631.20 and 177,539.24 is: 245,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,481.48 : 432,631.20 = 177,539.24 : x
  2. Step 2: Convert to fraction form
    313,481.48/432,631.20 = 177,539.24/x
  3. Step 3: Cross multiply
    313,481.48x = 432,631.20 × 177,539.24
  4. Step 4: Simplify right side
    313,481.48x = 76,809,014,448.29
  5. Step 5: Solve for x
    x = 76,809,014,448.29/313,481.48
  6. Step 6: Final answer
    x = 245,019.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.