Home / 855,166.32-1,282,388.60-256,212.64

Finding the Fourth Proportional to 855,166.32, 1,282,388.60 and 256,212.64

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Solution

The fourth proportional to 855,166.32, 1,282,388.60 and 256,212.64 is: 384,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,166.32 : 1,282,388.60 = 256,212.64 : x
  2. Step 2: Convert to fraction form
    855,166.32/1,282,388.60 = 256,212.64/x
  3. Step 3: Cross multiply
    855,166.32x = 1,282,388.60 × 256,212.64
  4. Step 4: Simplify right side
    855,166.32x = 328,564,168,711.90
  5. Step 5: Solve for x
    x = 328,564,168,711.90/855,166.32
  6. Step 6: Final answer
    x = 384,210.84

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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.