Home / 279,080.04-384,688.32-255,912.06

Finding the Fourth Proportional to 279,080.04, 384,688.32 and 255,912.06

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Solution

The fourth proportional to 279,080.04, 384,688.32 and 255,912.06 is: 352,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,080.04 : 384,688.32 = 255,912.06 : x
  2. Step 2: Convert to fraction form
    279,080.04/384,688.32 = 255,912.06/x
  3. Step 3: Cross multiply
    279,080.04x = 384,688.32 × 255,912.06
  4. Step 4: Simplify right side
    279,080.04x = 98,446,380,429.14
  5. Step 5: Solve for x
    x = 98,446,380,429.14/279,080.04
  6. Step 6: Final answer
    x = 352,753.21

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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.