Home / 335,138.15-462,713.33-257,475.45

Finding the Fourth Proportional to 335,138.15, 462,713.33 and 257,475.45

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Solution

The fourth proportional to 335,138.15, 462,713.33 and 257,475.45 is: 355,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,138.15 : 462,713.33 = 257,475.45 : x
  2. Step 2: Convert to fraction form
    335,138.15/462,713.33 = 257,475.45/x
  3. Step 3: Cross multiply
    335,138.15x = 462,713.33 × 257,475.45
  4. Step 4: Simplify right side
    335,138.15x = 119,137,322,862.75
  5. Step 5: Solve for x
    x = 119,137,322,862.75/335,138.15
  6. Step 6: Final answer
    x = 355,487.20

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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.