Home / 235,146.24-324,324-163,490.40

Finding the Fourth Proportional to 235,146.24, 324,324 and 163,490.40

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Solution

The fourth proportional to 235,146.24, 324,324 and 163,490.40 is: 225,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,146.24 : 324,324 = 163,490.40 : x
  2. Step 2: Convert to fraction form
    235,146.24/324,324 = 163,490.40/x
  3. Step 3: Cross multiply
    235,146.24x = 324,324 × 163,490.40
  4. Step 4: Simplify right side
    235,146.24x = 53,023,860,489.60
  5. Step 5: Solve for x
    x = 53,023,860,489.60/235,146.24
  6. Step 6: Final answer
    x = 225,493.13

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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.