Home / 439,147.50-606,015.68-248,156.79

Finding the Fourth Proportional to 439,147.50, 606,015.68 and 248,156.79

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Solution

The fourth proportional to 439,147.50, 606,015.68 and 248,156.79 is: 342,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,147.50 : 606,015.68 = 248,156.79 : x
  2. Step 2: Convert to fraction form
    439,147.50/606,015.68 = 248,156.79/x
  3. Step 3: Cross multiply
    439,147.50x = 606,015.68 × 248,156.79
  4. Step 4: Simplify right side
    439,147.50x = 150,386,905,838.47
  5. Step 5: Solve for x
    x = 150,386,905,838.47/439,147.50
  6. Step 6: Final answer
    x = 342,451.92

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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.