Home / 305,177.12-457,705.20-246,356

Finding the Fourth Proportional to 305,177.12, 457,705.20 and 246,356

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Solution

The fourth proportional to 305,177.12, 457,705.20 and 246,356 is: 369,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,177.12 : 457,705.20 = 246,356 : x
  2. Step 2: Convert to fraction form
    305,177.12/457,705.20 = 246,356/x
  3. Step 3: Cross multiply
    305,177.12x = 457,705.20 × 246,356
  4. Step 4: Simplify right side
    305,177.12x = 112,758,422,251.20
  5. Step 5: Solve for x
    x = 112,758,422,251.20/305,177.12
  6. Step 6: Final answer
    x = 369,485.18

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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.