Home / 280,096.04-419,928.68-145,015.31

Finding the Fourth Proportional to 280,096.04, 419,928.68 and 145,015.31

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Solution

The fourth proportional to 280,096.04, 419,928.68 and 145,015.31 is: 217,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,096.04 : 419,928.68 = 145,015.31 : x
  2. Step 2: Convert to fraction form
    280,096.04/419,928.68 = 145,015.31/x
  3. Step 3: Cross multiply
    280,096.04x = 419,928.68 × 145,015.31
  4. Step 4: Simplify right side
    280,096.04x = 60,896,084,883.37
  5. Step 5: Solve for x
    x = 60,896,084,883.37/280,096.04
  6. Step 6: Final answer
    x = 217,411.45

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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.