Home / 356,032.35-491,312.41-203,120.04

Finding the Fourth Proportional to 356,032.35, 491,312.41 and 203,120.04

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Solution

The fourth proportional to 356,032.35, 491,312.41 and 203,120.04 is: 280,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,032.35 : 491,312.41 = 203,120.04 : x
  2. Step 2: Convert to fraction form
    356,032.35/491,312.41 = 203,120.04/x
  3. Step 3: Cross multiply
    356,032.35x = 491,312.41 × 203,120.04
  4. Step 4: Simplify right side
    356,032.35x = 99,795,395,863.90
  5. Step 5: Solve for x
    x = 99,795,395,863.90/356,032.35
  6. Step 6: Final answer
    x = 280,298.67

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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.