Home / 298,658.24-447,831.84-140,844.32

Finding the Fourth Proportional to 298,658.24, 447,831.84 and 140,844.32

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Solution

The fourth proportional to 298,658.24, 447,831.84 and 140,844.32 is: 211,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,658.24 : 447,831.84 = 140,844.32 : x
  2. Step 2: Convert to fraction form
    298,658.24/447,831.84 = 140,844.32/x
  3. Step 3: Cross multiply
    298,658.24x = 447,831.84 × 140,844.32
  4. Step 4: Simplify right side
    298,658.24x = 63,074,570,979.15
  5. Step 5: Solve for x
    x = 63,074,570,979.15/298,658.24
  6. Step 6: Final answer
    x = 211,193.14

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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.