Home / 350,981.62-526,530.64-123,218.19

Finding the Fourth Proportional to 350,981.62, 526,530.64 and 123,218.19

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Solution

The fourth proportional to 350,981.62, 526,530.64 and 123,218.19 is: 184,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,981.62 : 526,530.64 = 123,218.19 : x
  2. Step 2: Convert to fraction form
    350,981.62/526,530.64 = 123,218.19/x
  3. Step 3: Cross multiply
    350,981.62x = 526,530.64 × 123,218.19
  4. Step 4: Simplify right side
    350,981.62x = 64,878,149,807.69
  5. Step 5: Solve for x
    x = 64,878,149,807.69/350,981.62
  6. Step 6: Final answer
    x = 184,847.72

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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.