Home / 336,390.04-464,268.18-221,650.84

Finding the Fourth Proportional to 336,390.04, 464,268.18 and 221,650.84

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Solution

The fourth proportional to 336,390.04, 464,268.18 and 221,650.84 is: 305,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,390.04 : 464,268.18 = 221,650.84 : x
  2. Step 2: Convert to fraction form
    336,390.04/464,268.18 = 221,650.84/x
  3. Step 3: Cross multiply
    336,390.04x = 464,268.18 × 221,650.84
  4. Step 4: Simplify right side
    336,390.04x = 102,905,432,082.27
  5. Step 5: Solve for x
    x = 102,905,432,082.27/336,390.04
  6. Step 6: Final answer
    x = 305,911.06

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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.