Home / 379,364.96-523,544.64-209,595.44

Finding the Fourth Proportional to 379,364.96, 523,544.64 and 209,595.44

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Solution

The fourth proportional to 379,364.96, 523,544.64 and 209,595.44 is: 289,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,364.96 : 523,544.64 = 209,595.44 : x
  2. Step 2: Convert to fraction form
    379,364.96/523,544.64 = 209,595.44/x
  3. Step 3: Cross multiply
    379,364.96x = 523,544.64 × 209,595.44
  4. Step 4: Simplify right side
    379,364.96x = 109,732,569,180.44
  5. Step 5: Solve for x
    x = 109,732,569,180.44/379,364.96
  6. Step 6: Final answer
    x = 289,253.31

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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.