Home / 469,921.05-648,491.85-255,061.17

Finding the Fourth Proportional to 469,921.05, 648,491.85 and 255,061.17

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Solution

The fourth proportional to 469,921.05, 648,491.85 and 255,061.17 is: 351,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,921.05 : 648,491.85 = 255,061.17 : x
  2. Step 2: Convert to fraction form
    469,921.05/648,491.85 = 255,061.17/x
  3. Step 3: Cross multiply
    469,921.05x = 648,491.85 × 255,061.17
  4. Step 4: Simplify right side
    469,921.05x = 165,405,089,996.47
  5. Step 5: Solve for x
    x = 165,405,089,996.47/469,921.05
  6. Step 6: Final answer
    x = 351,984.85

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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.