Home / 317,845.42-477,184.83-213,132.94

Finding the Fourth Proportional to 317,845.42, 477,184.83 and 213,132.94

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Solution

The fourth proportional to 317,845.42, 477,184.83 and 213,132.94 is: 319,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,845.42 : 477,184.83 = 213,132.94 : x
  2. Step 2: Convert to fraction form
    317,845.42/477,184.83 = 213,132.94/x
  3. Step 3: Cross multiply
    317,845.42x = 477,184.83 × 213,132.94
  4. Step 4: Simplify right side
    317,845.42x = 101,703,805,741.30
  5. Step 5: Solve for x
    x = 101,703,805,741.30/317,845.42
  6. Step 6: Final answer
    x = 319,978.83

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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.