Home / 256,287.36-384,431.04-116,042.88

Finding the Fourth Proportional to 256,287.36, 384,431.04 and 116,042.88

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Solution

The fourth proportional to 256,287.36, 384,431.04 and 116,042.88 is: 174,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,287.36 : 384,431.04 = 116,042.88 : x
  2. Step 2: Convert to fraction form
    256,287.36/384,431.04 = 116,042.88/x
  3. Step 3: Cross multiply
    256,287.36x = 384,431.04 × 116,042.88
  4. Step 4: Simplify right side
    256,287.36x = 44,610,485,043.00
  5. Step 5: Solve for x
    x = 44,610,485,043.00/256,287.36
  6. Step 6: Final answer
    x = 174,064.32

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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.