Home / 325,579.64-488,180.16-123,191.35

Finding the Fourth Proportional to 325,579.64, 488,180.16 and 123,191.35

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Solution

The fourth proportional to 325,579.64, 488,180.16 and 123,191.35 is: 184,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,579.64 : 488,180.16 = 123,191.35 : x
  2. Step 2: Convert to fraction form
    325,579.64/488,180.16 = 123,191.35/x
  3. Step 3: Cross multiply
    325,579.64x = 488,180.16 × 123,191.35
  4. Step 4: Simplify right side
    325,579.64x = 60,139,575,040.59
  5. Step 5: Solve for x
    x = 60,139,575,040.59/325,579.64
  6. Step 6: Final answer
    x = 184,715.40

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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.