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Finding the Fourth Proportional to 254,989.36, 351,880.32 and 141,809.68

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Solution

The fourth proportional to 254,989.36, 351,880.32 and 141,809.68 is: 195,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,989.36 : 351,880.32 = 141,809.68 : x
  2. Step 2: Convert to fraction form
    254,989.36/351,880.32 = 141,809.68/x
  3. Step 3: Cross multiply
    254,989.36x = 351,880.32 × 141,809.68
  4. Step 4: Simplify right side
    254,989.36x = 49,900,035,577.50
  5. Step 5: Solve for x
    x = 49,900,035,577.50/254,989.36
  6. Step 6: Final answer
    x = 195,694.58

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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.