Home / 280,895.70-421,449.93-168,654.33

Finding the Fourth Proportional to 280,895.70, 421,449.93 and 168,654.33

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Solution

The fourth proportional to 280,895.70, 421,449.93 and 168,654.33 is: 253,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,895.70 : 421,449.93 = 168,654.33 : x
  2. Step 2: Convert to fraction form
    280,895.70/421,449.93 = 168,654.33/x
  3. Step 3: Cross multiply
    280,895.70x = 421,449.93 × 168,654.33
  4. Step 4: Simplify right side
    280,895.70x = 71,079,355,572.70
  5. Step 5: Solve for x
    x = 71,079,355,572.70/280,895.70
  6. Step 6: Final answer
    x = 253,045.37

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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.