Home / 328,961.35-493,459.65-104,338.83

Finding the Fourth Proportional to 328,961.35, 493,459.65 and 104,338.83

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Solution

The fourth proportional to 328,961.35, 493,459.65 and 104,338.83 is: 156,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,961.35 : 493,459.65 = 104,338.83 : x
  2. Step 2: Convert to fraction form
    328,961.35/493,459.65 = 104,338.83/x
  3. Step 3: Cross multiply
    328,961.35x = 493,459.65 × 104,338.83
  4. Step 4: Simplify right side
    328,961.35x = 51,487,002,533.21
  5. Step 5: Solve for x
    x = 51,487,002,533.21/328,961.35
  6. Step 6: Final answer
    x = 156,513.84

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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.