Home / 315,112.91-434,892.57-179,167.22

Finding the Fourth Proportional to 315,112.91, 434,892.57 and 179,167.22

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Solution

The fourth proportional to 315,112.91, 434,892.57 and 179,167.22 is: 247,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,112.91 : 434,892.57 = 179,167.22 : x
  2. Step 2: Convert to fraction form
    315,112.91/434,892.57 = 179,167.22/x
  3. Step 3: Cross multiply
    315,112.91x = 434,892.57 × 179,167.22
  4. Step 4: Simplify right side
    315,112.91x = 77,918,493,852.79
  5. Step 5: Solve for x
    x = 77,918,493,852.79/315,112.91
  6. Step 6: Final answer
    x = 247,271.67

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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.