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Finding the Fourth Proportional to 379,220.08, 568,830.12 and 112,973.72

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Solution

The fourth proportional to 379,220.08, 568,830.12 and 112,973.72 is: 169,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,220.08 : 568,830.12 = 112,973.72 : x
  2. Step 2: Convert to fraction form
    379,220.08/568,830.12 = 112,973.72/x
  3. Step 3: Cross multiply
    379,220.08x = 568,830.12 × 112,973.72
  4. Step 4: Simplify right side
    379,220.08x = 64,262,854,704.45
  5. Step 5: Solve for x
    x = 64,262,854,704.45/379,220.08
  6. Step 6: Final answer
    x = 169,460.58

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Similar ratio
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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.