Home / 446,136.60-668,816.10-268,714.20

Finding the Fourth Proportional to 446,136.60, 668,816.10 and 268,714.20

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Solution

The fourth proportional to 446,136.60, 668,816.10 and 268,714.20 is: 402,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,136.60 : 668,816.10 = 268,714.20 : x
  2. Step 2: Convert to fraction form
    446,136.60/668,816.10 = 268,714.20/x
  3. Step 3: Cross multiply
    446,136.60x = 668,816.10 × 268,714.20
  4. Step 4: Simplify right side
    446,136.60x = 179,720,383,258.62
  5. Step 5: Solve for x
    x = 179,720,383,258.62/446,136.60
  6. Step 6: Final answer
    x = 402,837.12

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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.