Home / 357,321.24-492,977.34-219,452.76

Finding the Fourth Proportional to 357,321.24, 492,977.34 and 219,452.76

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Solution

The fourth proportional to 357,321.24, 492,977.34 and 219,452.76 is: 302,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,321.24 : 492,977.34 = 219,452.76 : x
  2. Step 2: Convert to fraction form
    357,321.24/492,977.34 = 219,452.76/x
  3. Step 3: Cross multiply
    357,321.24x = 492,977.34 × 219,452.76
  4. Step 4: Simplify right side
    357,321.24x = 108,185,237,880.46
  5. Step 5: Solve for x
    x = 108,185,237,880.46/357,321.24
  6. Step 6: Final answer
    x = 302,767.44

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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.