Home / 426,673.04-639,983.48-177,357.20

Finding the Fourth Proportional to 426,673.04, 639,983.48 and 177,357.20

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Solution

The fourth proportional to 426,673.04, 639,983.48 and 177,357.20 is: 266,024.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,673.04 : 639,983.48 = 177,357.20 : x
  2. Step 2: Convert to fraction form
    426,673.04/639,983.48 = 177,357.20/x
  3. Step 3: Cross multiply
    426,673.04x = 639,983.48 × 177,357.20
  4. Step 4: Simplify right side
    426,673.04x = 113,505,678,059.06
  5. Step 5: Solve for x
    x = 113,505,678,059.06/426,673.04
  6. Step 6: Final answer
    x = 266,024.96

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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.