Home / 347,285.34-520,938.95-119,578.55

Finding the Fourth Proportional to 347,285.34, 520,938.95 and 119,578.55

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Solution

The fourth proportional to 347,285.34, 520,938.95 and 119,578.55 is: 179,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,285.34 : 520,938.95 = 119,578.55 : x
  2. Step 2: Convert to fraction form
    347,285.34/520,938.95 = 119,578.55/x
  3. Step 3: Cross multiply
    347,285.34x = 520,938.95 × 119,578.55
  4. Step 4: Simplify right side
    347,285.34x = 62,293,121,076.94
  5. Step 5: Solve for x
    x = 62,293,121,076.94/347,285.34
  6. Step 6: Final answer
    x = 179,371.58

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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.