Home / 374,711.49-562,005.66-161,421.54

Finding the Fourth Proportional to 374,711.49, 562,005.66 and 161,421.54

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Solution

The fourth proportional to 374,711.49, 562,005.66 and 161,421.54 is: 242,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,711.49 : 562,005.66 = 161,421.54 : x
  2. Step 2: Convert to fraction form
    374,711.49/562,005.66 = 161,421.54/x
  3. Step 3: Cross multiply
    374,711.49x = 562,005.66 × 161,421.54
  4. Step 4: Simplify right side
    374,711.49x = 90,719,819,125.92
  5. Step 5: Solve for x
    x = 90,719,819,125.92/374,711.49
  6. Step 6: Final answer
    x = 242,105.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.