Home / 280,941.41-421,324.27-93,909.17

Finding the Fourth Proportional to 280,941.41, 421,324.27 and 93,909.17

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Solution

The fourth proportional to 280,941.41, 421,324.27 and 93,909.17 is: 140,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,941.41 : 421,324.27 = 93,909.17 : x
  2. Step 2: Convert to fraction form
    280,941.41/421,324.27 = 93,909.17/x
  3. Step 3: Cross multiply
    280,941.41x = 421,324.27 × 93,909.17
  4. Step 4: Simplify right side
    280,941.41x = 39,566,212,496.56
  5. Step 5: Solve for x
    x = 39,566,212,496.56/280,941.41
  6. Step 6: Final answer
    x = 140,834.39

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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.