Home / 315,048.14-434,777.34-179,087.78

Finding the Fourth Proportional to 315,048.14, 434,777.34 and 179,087.78

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Solution

The fourth proportional to 315,048.14, 434,777.34 and 179,087.78 is: 247,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,048.14 : 434,777.34 = 179,087.78 : x
  2. Step 2: Convert to fraction form
    315,048.14/434,777.34 = 179,087.78/x
  3. Step 3: Cross multiply
    315,048.14x = 434,777.34 × 179,087.78
  4. Step 4: Simplify right side
    315,048.14x = 77,863,308,614.91
  5. Step 5: Solve for x
    x = 77,863,308,614.91/315,048.14
  6. Step 6: Final answer
    x = 247,147.34

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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.