Home / 221,037.60-331,556.40-165,741.60

Finding the Fourth Proportional to 221,037.60, 331,556.40 and 165,741.60

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Solution

The fourth proportional to 221,037.60, 331,556.40 and 165,741.60 is: 248,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,037.60 : 331,556.40 = 165,741.60 : x
  2. Step 2: Convert to fraction form
    221,037.60/331,556.40 = 165,741.60/x
  3. Step 3: Cross multiply
    221,037.60x = 331,556.40 × 165,741.60
  4. Step 4: Simplify right side
    221,037.60x = 54,952,688,226.24
  5. Step 5: Solve for x
    x = 54,952,688,226.24/221,037.60
  6. Step 6: Final answer
    x = 248,612.40

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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.