Home / 325,639.20-488,228.40-125,882.40

Finding the Fourth Proportional to 325,639.20, 488,228.40 and 125,882.40

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Solution

The fourth proportional to 325,639.20, 488,228.40 and 125,882.40 is: 188,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,639.20 : 488,228.40 = 125,882.40 : x
  2. Step 2: Convert to fraction form
    325,639.20/488,228.40 = 125,882.40/x
  3. Step 3: Cross multiply
    325,639.20x = 488,228.40 × 125,882.40
  4. Step 4: Simplify right side
    325,639.20x = 61,459,362,740.16
  5. Step 5: Solve for x
    x = 61,459,362,740.16/325,639.20
  6. Step 6: Final answer
    x = 188,734.53

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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.