Home / 355,370.10-490,403.43-194,226.30

Finding the Fourth Proportional to 355,370.10, 490,403.43 and 194,226.30

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Solution

The fourth proportional to 355,370.10, 490,403.43 and 194,226.30 is: 268,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,370.10 : 490,403.43 = 194,226.30 : x
  2. Step 2: Convert to fraction form
    355,370.10/490,403.43 = 194,226.30/x
  3. Step 3: Cross multiply
    355,370.10x = 490,403.43 × 194,226.30
  4. Step 4: Simplify right side
    355,370.10x = 95,249,243,716.21
  5. Step 5: Solve for x
    x = 95,249,243,716.21/355,370.10
  6. Step 6: Final answer
    x = 268,028.30

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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.