Home / 325,532.40-488,298.60-213,922.50

Finding the Fourth Proportional to 325,532.40, 488,298.60 and 213,922.50

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Solution

The fourth proportional to 325,532.40, 488,298.60 and 213,922.50 is: 320,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,532.40 : 488,298.60 = 213,922.50 : x
  2. Step 2: Convert to fraction form
    325,532.40/488,298.60 = 213,922.50/x
  3. Step 3: Cross multiply
    325,532.40x = 488,298.60 × 213,922.50
  4. Step 4: Simplify right side
    325,532.40x = 104,458,057,258.50
  5. Step 5: Solve for x
    x = 104,458,057,258.50/325,532.40
  6. Step 6: Final answer
    x = 320,883.75

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1.5x scale

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.