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Finding the Fourth Proportional to 446,135.60, 668,814.60 and 268,713.20

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Solution

The fourth proportional to 446,135.60, 668,814.60 and 268,713.20 is: 402,835.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,135.60 : 668,814.60 = 268,713.20 : x
  2. Step 2: Convert to fraction form
    446,135.60/668,814.60 = 268,713.20/x
  3. Step 3: Cross multiply
    446,135.60x = 668,814.60 × 268,713.20
  4. Step 4: Simplify right side
    446,135.60x = 179,719,311,372.72
  5. Step 5: Solve for x
    x = 179,719,311,372.72/446,135.60
  6. Step 6: Final answer
    x = 402,835.62

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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.