Home / 221,300.30-304,656.18-211,132.46

Finding the Fourth Proportional to 221,300.30, 304,656.18 and 211,132.46

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Solution

The fourth proportional to 221,300.30, 304,656.18 and 211,132.46 is: 290,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,300.30 : 304,656.18 = 211,132.46 : x
  2. Step 2: Convert to fraction form
    221,300.30/304,656.18 = 211,132.46/x
  3. Step 3: Cross multiply
    221,300.30x = 304,656.18 × 211,132.46
  4. Step 4: Simplify right side
    221,300.30x = 64,322,808,737.60
  5. Step 5: Solve for x
    x = 64,322,808,737.60/221,300.30
  6. Step 6: Final answer
    x = 290,658.48

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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.