Home / 280,256.52-420,292.62-93,217.80

Finding the Fourth Proportional to 280,256.52, 420,292.62 and 93,217.80

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Solution

The fourth proportional to 280,256.52, 420,292.62 and 93,217.80 is: 139,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,256.52 : 420,292.62 = 93,217.80 : x
  2. Step 2: Convert to fraction form
    280,256.52/420,292.62 = 93,217.80/x
  3. Step 3: Cross multiply
    280,256.52x = 420,292.62 × 93,217.80
  4. Step 4: Simplify right side
    280,256.52x = 39,178,753,392.64
  5. Step 5: Solve for x
    x = 39,178,753,392.64/280,256.52
  6. Step 6: Final answer
    x = 139,796.05

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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.