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Finding the Fourth Proportional to 300,512.91, 450,053.79 and 173,886.30

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Solution

The fourth proportional to 300,512.91, 450,053.79 and 173,886.30 is: 260,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,512.91 : 450,053.79 = 173,886.30 : x
  2. Step 2: Convert to fraction form
    300,512.91/450,053.79 = 173,886.30/x
  3. Step 3: Cross multiply
    300,512.91x = 450,053.79 × 173,886.30
  4. Step 4: Simplify right side
    300,512.91x = 78,258,187,404.34
  5. Step 5: Solve for x
    x = 78,258,187,404.34/300,512.91
  6. Step 6: Final answer
    x = 260,415.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.