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Finding the Fourth Proportional to 301,239.08, 415,714.17 and 165,270.55

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Solution

The fourth proportional to 301,239.08, 415,714.17 and 165,270.55 is: 228,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,239.08 : 415,714.17 = 165,270.55 : x
  2. Step 2: Convert to fraction form
    301,239.08/415,714.17 = 165,270.55/x
  3. Step 3: Cross multiply
    301,239.08x = 415,714.17 × 165,270.55
  4. Step 4: Simplify right side
    301,239.08x = 68,705,310,144.80
  5. Step 5: Solve for x
    x = 68,705,310,144.80/301,239.08
  6. Step 6: Final answer
    x = 228,075.69

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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.