Home / 318,464.25-477,684.01-118,784.26

Finding the Fourth Proportional to 318,464.25, 477,684.01 and 118,784.26

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Solution

The fourth proportional to 318,464.25, 477,684.01 and 118,784.26 is: 178,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,464.25 : 477,684.01 = 118,784.26 : x
  2. Step 2: Convert to fraction form
    318,464.25/477,684.01 = 118,784.26/x
  3. Step 3: Cross multiply
    318,464.25x = 477,684.01 × 118,784.26
  4. Step 4: Simplify right side
    318,464.25x = 56,741,341,641.68
  5. Step 5: Solve for x
    x = 56,741,341,641.68/318,464.25
  6. Step 6: Final answer
    x = 178,171.78

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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.