Home / 330,783.48-496,339.20-131,099.40

Finding the Fourth Proportional to 330,783.48, 496,339.20 and 131,099.40

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Solution

The fourth proportional to 330,783.48, 496,339.20 and 131,099.40 is: 196,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,783.48 : 496,339.20 = 131,099.40 : x
  2. Step 2: Convert to fraction form
    330,783.48/496,339.20 = 131,099.40/x
  3. Step 3: Cross multiply
    330,783.48x = 496,339.20 × 131,099.40
  4. Step 4: Simplify right side
    330,783.48x = 65,069,771,316.48
  5. Step 5: Solve for x
    x = 65,069,771,316.48/330,783.48
  6. Step 6: Final answer
    x = 196,714.09

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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.