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Finding the Fourth Proportional to 277,000.20, 415,500.30 and 277,000.20

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Solution

The fourth proportional to 277,000.20, 415,500.30 and 277,000.20 is: 415,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,000.20 : 415,500.30 = 277,000.20 : x
  2. Step 2: Convert to fraction form
    277,000.20/415,500.30 = 277,000.20/x
  3. Step 3: Cross multiply
    277,000.20x = 415,500.30 × 277,000.20
  4. Step 4: Simplify right side
    277,000.20x = 115,093,666,200.06
  5. Step 5: Solve for x
    x = 115,093,666,200.06/277,000.20
  6. Step 6: Final answer
    x = 415,500.30

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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.