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Finding the Fourth Proportional to 340,977, 511,446.88 and 104,319.68

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Solution

The fourth proportional to 340,977, 511,446.88 and 104,319.68 is: 156,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,977 : 511,446.88 = 104,319.68 : x
  2. Step 2: Convert to fraction form
    340,977/511,446.88 = 104,319.68/x
  3. Step 3: Cross multiply
    340,977x = 511,446.88 × 104,319.68
  4. Step 4: Simplify right side
    340,977x = 53,353,974,858.60
  5. Step 5: Solve for x
    x = 53,353,974,858.60/340,977
  6. Step 6: Final answer
    x = 156,473.82

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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.