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Finding the Fourth Proportional to 315,959.08, 436,101.88 and 180,073.62

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Solution

The fourth proportional to 315,959.08, 436,101.88 and 180,073.62 is: 248,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,959.08 : 436,101.88 = 180,073.62 : x
  2. Step 2: Convert to fraction form
    315,959.08/436,101.88 = 180,073.62/x
  3. Step 3: Cross multiply
    315,959.08x = 436,101.88 × 180,073.62
  4. Step 4: Simplify right side
    315,959.08x = 78,530,444,220.41
  5. Step 5: Solve for x
    x = 78,530,444,220.41/315,959.08
  6. Step 6: Final answer
    x = 248,546.25

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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.