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Finding the Fourth Proportional to 341,300.20, 512,241.90 and 152,051.80

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Solution

The fourth proportional to 341,300.20, 512,241.90 and 152,051.80 is: 228,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,300.20 : 512,241.90 = 152,051.80 : x
  2. Step 2: Convert to fraction form
    341,300.20/512,241.90 = 152,051.80/x
  3. Step 3: Cross multiply
    341,300.20x = 512,241.90 × 152,051.80
  4. Step 4: Simplify right side
    341,300.20x = 77,887,302,930.42
  5. Step 5: Solve for x
    x = 77,887,302,930.42/341,300.20
  6. Step 6: Final answer
    x = 228,207.61

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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.