Home / 221,026.10-331,539.15-165,730.10

Finding the Fourth Proportional to 221,026.10, 331,539.15 and 165,730.10

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Solution

The fourth proportional to 221,026.10, 331,539.15 and 165,730.10 is: 248,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,026.10 : 331,539.15 = 165,730.10 : x
  2. Step 2: Convert to fraction form
    221,026.10/331,539.15 = 165,730.10/x
  3. Step 3: Cross multiply
    221,026.10x = 331,539.15 × 165,730.10
  4. Step 4: Simplify right side
    221,026.10x = 54,946,016,483.42
  5. Step 5: Solve for x
    x = 54,946,016,483.42/221,026.10
  6. Step 6: Final answer
    x = 248,595.15

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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.