Home / 314,949.77-434,637.24-177,131.36

Finding the Fourth Proportional to 314,949.77, 434,637.24 and 177,131.36

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Solution

The fourth proportional to 314,949.77, 434,637.24 and 177,131.36 is: 244,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,949.77 : 434,637.24 = 177,131.36 : x
  2. Step 2: Convert to fraction form
    314,949.77/434,637.24 = 177,131.36/x
  3. Step 3: Cross multiply
    314,949.77x = 434,637.24 × 177,131.36
  4. Step 4: Simplify right side
    314,949.77x = 76,987,884,401.73
  5. Step 5: Solve for x
    x = 76,987,884,401.73/314,949.77
  6. Step 6: Final answer
    x = 244,444.96

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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.