Home / 342,738.77-472,979.12-191,835.77

Finding the Fourth Proportional to 342,738.77, 472,979.12 and 191,835.77

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Solution

The fourth proportional to 342,738.77, 472,979.12 and 191,835.77 is: 264,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,738.77 : 472,979.12 = 191,835.77 : x
  2. Step 2: Convert to fraction form
    342,738.77/472,979.12 = 191,835.77/x
  3. Step 3: Cross multiply
    342,738.77x = 472,979.12 × 191,835.77
  4. Step 4: Simplify right side
    342,738.77x = 90,734,310,355.05
  5. Step 5: Solve for x
    x = 90,734,310,355.05/342,738.77
  6. Step 6: Final answer
    x = 264,733.14

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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.