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Finding the Fourth Proportional to 260,719, 359,792.22 and 141,487

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Solution

The fourth proportional to 260,719, 359,792.22 and 141,487 is: 195,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,719 : 359,792.22 = 141,487 : x
  2. Step 2: Convert to fraction form
    260,719/359,792.22 = 141,487/x
  3. Step 3: Cross multiply
    260,719x = 359,792.22 × 141,487
  4. Step 4: Simplify right side
    260,719x = 50,905,921,831.14
  5. Step 5: Solve for x
    x = 50,905,921,831.14/260,719
  6. Step 6: Final answer
    x = 195,252.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.