Home / 278,452.08-384,264.15-151,127.73

Finding the Fourth Proportional to 278,452.08, 384,264.15 and 151,127.73

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Solution

The fourth proportional to 278,452.08, 384,264.15 and 151,127.73 is: 208,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,452.08 : 384,264.15 = 151,127.73 : x
  2. Step 2: Convert to fraction form
    278,452.08/384,264.15 = 151,127.73/x
  3. Step 3: Cross multiply
    278,452.08x = 384,264.15 × 151,127.73
  4. Step 4: Simplify right side
    278,452.08x = 58,072,968,709.88
  5. Step 5: Solve for x
    x = 58,072,968,709.88/278,452.08
  6. Step 6: Final answer
    x = 208,556.42

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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.