Home / 305,455.62-458,336.13-137,096.31

Finding the Fourth Proportional to 305,455.62, 458,336.13 and 137,096.31

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Solution

The fourth proportional to 305,455.62, 458,336.13 and 137,096.31 is: 205,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,455.62 : 458,336.13 = 137,096.31 : x
  2. Step 2: Convert to fraction form
    305,455.62/458,336.13 = 137,096.31/x
  3. Step 3: Cross multiply
    305,455.62x = 458,336.13 × 137,096.31
  4. Step 4: Simplify right side
    305,455.62x = 62,836,192,162.68
  5. Step 5: Solve for x
    x = 62,836,192,162.68/305,455.62
  6. Step 6: Final answer
    x = 205,713.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.