Home / 331,334.72-457,261.12-249,516.56

Finding the Fourth Proportional to 331,334.72, 457,261.12 and 249,516.56

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Solution

The fourth proportional to 331,334.72, 457,261.12 and 249,516.56 is: 344,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,334.72 : 457,261.12 = 249,516.56 : x
  2. Step 2: Convert to fraction form
    331,334.72/457,261.12 = 249,516.56/x
  3. Step 3: Cross multiply
    331,334.72x = 457,261.12 × 249,516.56
  4. Step 4: Simplify right side
    331,334.72x = 114,094,221,684.15
  5. Step 5: Solve for x
    x = 114,094,221,684.15/331,334.72
  6. Step 6: Final answer
    x = 344,347.32

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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.