Home / 379,849.40-569,563.75-155,367.47

Finding the Fourth Proportional to 379,849.40, 569,563.75 and 155,367.47

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Solution

The fourth proportional to 379,849.40, 569,563.75 and 155,367.47 is: 232,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,849.40 : 569,563.75 = 155,367.47 : x
  2. Step 2: Convert to fraction form
    379,849.40/569,563.75 = 155,367.47/x
  3. Step 3: Cross multiply
    379,849.40x = 569,563.75 × 155,367.47
  4. Step 4: Simplify right side
    379,849.40x = 88,491,677,255.54
  5. Step 5: Solve for x
    x = 88,491,677,255.54/379,849.40
  6. Step 6: Final answer
    x = 232,965.16

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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.