Home / 280,757.03-421,179.27-168,410.84

Finding the Fourth Proportional to 280,757.03, 421,179.27 and 168,410.84

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Solution

The fourth proportional to 280,757.03, 421,179.27 and 168,410.84 is: 252,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,757.03 : 421,179.27 = 168,410.84 : x
  2. Step 2: Convert to fraction form
    280,757.03/421,179.27 = 168,410.84/x
  3. Step 3: Cross multiply
    280,757.03x = 421,179.27 × 168,410.84
  4. Step 4: Simplify right side
    280,757.03x = 70,931,152,545.39
  5. Step 5: Solve for x
    x = 70,931,152,545.39/280,757.03
  6. Step 6: Final answer
    x = 252,642.49

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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.