Home / 355,948.08-491,208.54-194,803.03

Finding the Fourth Proportional to 355,948.08, 491,208.54 and 194,803.03

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Solution

The fourth proportional to 355,948.08, 491,208.54 and 194,803.03 is: 268,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,948.08 : 491,208.54 = 194,803.03 : x
  2. Step 2: Convert to fraction form
    355,948.08/491,208.54 = 194,803.03/x
  3. Step 3: Cross multiply
    355,948.08x = 491,208.54 × 194,803.03
  4. Step 4: Simplify right side
    355,948.08x = 95,688,910,979.86
  5. Step 5: Solve for x
    x = 95,688,910,979.86/355,948.08
  6. Step 6: Final answer
    x = 268,828.29

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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.