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Finding the Fourth Proportional to 173,199.80, 259,799.70 and 162,831.80

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Solution

The fourth proportional to 173,199.80, 259,799.70 and 162,831.80 is: 244,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,199.80 : 259,799.70 = 162,831.80 : x
  2. Step 2: Convert to fraction form
    173,199.80/259,799.70 = 162,831.80/x
  3. Step 3: Cross multiply
    173,199.80x = 259,799.70 × 162,831.80
  4. Step 4: Simplify right side
    173,199.80x = 42,303,652,790.46
  5. Step 5: Solve for x
    x = 42,303,652,790.46/173,199.80
  6. Step 6: Final answer
    x = 244,247.70

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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.