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Finding the Fourth Proportional to 273,415.20, 410,122.80 and 148,999.20

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Solution

The fourth proportional to 273,415.20, 410,122.80 and 148,999.20 is: 223,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,415.20 : 410,122.80 = 148,999.20 : x
  2. Step 2: Convert to fraction form
    273,415.20/410,122.80 = 148,999.20/x
  3. Step 3: Cross multiply
    273,415.20x = 410,122.80 × 148,999.20
  4. Step 4: Simplify right side
    273,415.20x = 61,107,969,101.76
  5. Step 5: Solve for x
    x = 61,107,969,101.76/273,415.20
  6. Step 6: Final answer
    x = 223,498.80

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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.