Home / 255,633.52-382,891.50-210,756.28

Finding the Fourth Proportional to 255,633.52, 382,891.50 and 210,756.28

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Solution

The fourth proportional to 255,633.52, 382,891.50 and 210,756.28 is: 315,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,633.52 : 382,891.50 = 210,756.28 : x
  2. Step 2: Convert to fraction form
    255,633.52/382,891.50 = 210,756.28/x
  3. Step 3: Cross multiply
    255,633.52x = 382,891.50 × 210,756.28
  4. Step 4: Simplify right side
    255,633.52x = 80,696,788,183.62
  5. Step 5: Solve for x
    x = 80,696,788,183.62/255,633.52
  6. Step 6: Final answer
    x = 315,673.74

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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.