Home / 325,219.64-487,829.46-214,385.72

Finding the Fourth Proportional to 325,219.64, 487,829.46 and 214,385.72

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Solution

The fourth proportional to 325,219.64, 487,829.46 and 214,385.72 is: 321,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,219.64 : 487,829.46 = 214,385.72 : x
  2. Step 2: Convert to fraction form
    325,219.64/487,829.46 = 214,385.72/x
  3. Step 3: Cross multiply
    325,219.64x = 487,829.46 × 214,385.72
  4. Step 4: Simplify right side
    325,219.64x = 104,583,670,019.31
  5. Step 5: Solve for x
    x = 104,583,670,019.31/325,219.64
  6. Step 6: Final answer
    x = 321,578.58

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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.