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Finding the Fourth Proportional to 416,640.21, 624,831.10 and 150,366.12

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Solution

The fourth proportional to 416,640.21, 624,831.10 and 150,366.12 is: 225,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,640.21 : 624,831.10 = 150,366.12 : x
  2. Step 2: Convert to fraction form
    416,640.21/624,831.10 = 150,366.12/x
  3. Step 3: Cross multiply
    416,640.21x = 624,831.10 × 150,366.12
  4. Step 4: Simplify right side
    416,640.21x = 93,953,428,162.33
  5. Step 5: Solve for x
    x = 93,953,428,162.33/416,640.21
  6. Step 6: Final answer
    x = 225,502.55

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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.