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Finding the Fourth Proportional to 220,149.83, 330,063.35 and 70,303.74

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Solution

The fourth proportional to 220,149.83, 330,063.35 and 70,303.74 is: 105,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,149.83 : 330,063.35 = 70,303.74 : x
  2. Step 2: Convert to fraction form
    220,149.83/330,063.35 = 70,303.74/x
  3. Step 3: Cross multiply
    220,149.83x = 330,063.35 × 70,303.74
  4. Step 4: Simplify right side
    220,149.83x = 23,204,687,590.41
  5. Step 5: Solve for x
    x = 23,204,687,590.41/220,149.83
  6. Step 6: Final answer
    x = 105,404.07

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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.