Home / 263,979.72-395,969.76-64,299

Finding the Fourth Proportional to 263,979.72, 395,969.76 and 64,299

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Solution

The fourth proportional to 263,979.72, 395,969.76 and 64,299 is: 96,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,979.72 : 395,969.76 = 64,299 : x
  2. Step 2: Convert to fraction form
    263,979.72/395,969.76 = 64,299/x
  3. Step 3: Cross multiply
    263,979.72x = 395,969.76 × 64,299
  4. Step 4: Simplify right side
    263,979.72x = 25,460,459,598.24
  5. Step 5: Solve for x
    x = 25,460,459,598.24/263,979.72
  6. Step 6: Final answer
    x = 96,448.54

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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.