Home / 278,556.93-417,830.63-89,015.91

Finding the Fourth Proportional to 278,556.93, 417,830.63 and 89,015.91

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Solution

The fourth proportional to 278,556.93, 417,830.63 and 89,015.91 is: 133,522.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,556.93 : 417,830.63 = 89,015.91 : x
  2. Step 2: Convert to fraction form
    278,556.93/417,830.63 = 89,015.91/x
  3. Step 3: Cross multiply
    278,556.93x = 417,830.63 × 89,015.91
  4. Step 4: Simplify right side
    278,556.93x = 37,193,573,310.24
  5. Step 5: Solve for x
    x = 37,193,573,310.24/278,556.93
  6. Step 6: Final answer
    x = 133,522.34

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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.