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Finding the Fourth Proportional to 323,326.36, 446,178.81 and 180,078.67

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Solution

The fourth proportional to 323,326.36, 446,178.81 and 180,078.67 is: 248,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,326.36 : 446,178.81 = 180,078.67 : x
  2. Step 2: Convert to fraction form
    323,326.36/446,178.81 = 180,078.67/x
  3. Step 3: Cross multiply
    323,326.36x = 446,178.81 × 180,078.67
  4. Step 4: Simplify right side
    323,326.36x = 80,347,286,686.98
  5. Step 5: Solve for x
    x = 80,347,286,686.98/323,326.36
  6. Step 6: Final answer
    x = 248,502.12

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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.