Home / 322,730.10-445,373.26-179,490.21

Finding the Fourth Proportional to 322,730.10, 445,373.26 and 179,490.21

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Solution

The fourth proportional to 322,730.10, 445,373.26 and 179,490.21 is: 247,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,730.10 : 445,373.26 = 179,490.21 : x
  2. Step 2: Convert to fraction form
    322,730.10/445,373.26 = 179,490.21/x
  3. Step 3: Cross multiply
    322,730.10x = 445,373.26 × 179,490.21
  4. Step 4: Simplify right side
    322,730.10x = 79,940,139,965.78
  5. Step 5: Solve for x
    x = 79,940,139,965.78/322,730.10
  6. Step 6: Final answer
    x = 247,699.67

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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.