Home / 324,253.12-447,116.64-210,865.60

Finding the Fourth Proportional to 324,253.12, 447,116.64 and 210,865.60

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Solution

The fourth proportional to 324,253.12, 447,116.64 and 210,865.60 is: 290,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,253.12 : 447,116.64 = 210,865.60 : x
  2. Step 2: Convert to fraction form
    324,253.12/447,116.64 = 210,865.60/x
  3. Step 3: Cross multiply
    324,253.12x = 447,116.64 × 210,865.60
  4. Step 4: Simplify right side
    324,253.12x = 94,281,518,563.58
  5. Step 5: Solve for x
    x = 94,281,518,563.58/324,253.12
  6. Step 6: Final answer
    x = 290,765.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.