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Finding the Fourth Proportional to 323,679.66, 446,677.92 and 180,448.85

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Solution

The fourth proportional to 323,679.66, 446,677.92 and 180,448.85 is: 249,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,679.66 : 446,677.92 = 180,448.85 : x
  2. Step 2: Convert to fraction form
    323,679.66/446,677.92 = 180,448.85/x
  3. Step 3: Cross multiply
    323,679.66x = 446,677.92 × 180,448.85
  4. Step 4: Simplify right side
    323,679.66x = 80,602,514,751.00
  5. Step 5: Solve for x
    x = 80,602,514,751.00/323,679.66
  6. Step 6: Final answer
    x = 249,019.40

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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.