Home / 305,739.92-457,423.32-268,016.24

Finding the Fourth Proportional to 305,739.92, 457,423.32 and 268,016.24

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Solution

The fourth proportional to 305,739.92, 457,423.32 and 268,016.24 is: 400,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,739.92 : 457,423.32 = 268,016.24 : x
  2. Step 2: Convert to fraction form
    305,739.92/457,423.32 = 268,016.24/x
  3. Step 3: Cross multiply
    305,739.92x = 457,423.32 × 268,016.24
  4. Step 4: Simplify right side
    305,739.92x = 122,596,878,314.72
  5. Step 5: Solve for x
    x = 122,596,878,314.72/305,739.92
  6. Step 6: Final answer
    x = 400,984.20

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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.