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Finding the Fourth Proportional to 314,960.74, 434,682.73 and 179,015.13

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Solution

The fourth proportional to 314,960.74, 434,682.73 and 179,015.13 is: 247,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,960.74 : 434,682.73 = 179,015.13 : x
  2. Step 2: Convert to fraction form
    314,960.74/434,682.73 = 179,015.13/x
  3. Step 3: Cross multiply
    314,960.74x = 434,682.73 × 179,015.13
  4. Step 4: Simplify right side
    314,960.74x = 77,814,783,174.28
  5. Step 5: Solve for x
    x = 77,814,783,174.28/314,960.74
  6. Step 6: Final answer
    x = 247,061.85

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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.