Home / 383,133.32-574,831.26-146,543.66

Finding the Fourth Proportional to 383,133.32, 574,831.26 and 146,543.66

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Solution

The fourth proportional to 383,133.32, 574,831.26 and 146,543.66 is: 219,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,133.32 : 574,831.26 = 146,543.66 : x
  2. Step 2: Convert to fraction form
    383,133.32/574,831.26 = 146,543.66/x
  3. Step 3: Cross multiply
    383,133.32x = 574,831.26 × 146,543.66
  4. Step 4: Simplify right side
    383,133.32x = 84,237,876,722.81
  5. Step 5: Solve for x
    x = 84,237,876,722.81/383,133.32
  6. Step 6: Final answer
    x = 219,865.70

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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.