Home / 275,621.32-379,477.58-235,172.76

Finding the Fourth Proportional to 275,621.32, 379,477.58 and 235,172.76

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Solution

The fourth proportional to 275,621.32, 379,477.58 and 235,172.76 is: 323,787.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,621.32 : 379,477.58 = 235,172.76 : x
  2. Step 2: Convert to fraction form
    275,621.32/379,477.58 = 235,172.76/x
  3. Step 3: Cross multiply
    275,621.32x = 379,477.58 × 235,172.76
  4. Step 4: Simplify right side
    275,621.32x = 89,242,789,846.72
  5. Step 5: Solve for x
    x = 89,242,789,846.72/275,621.32
  6. Step 6: Final answer
    x = 323,787.69

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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.