Home / 319,010.04-478,369.26-119,183.85

Finding the Fourth Proportional to 319,010.04, 478,369.26 and 119,183.85

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Solution

The fourth proportional to 319,010.04, 478,369.26 and 119,183.85 is: 178,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,010.04 : 478,369.26 = 119,183.85 : x
  2. Step 2: Convert to fraction form
    319,010.04/478,369.26 = 119,183.85/x
  3. Step 3: Cross multiply
    319,010.04x = 478,369.26 × 119,183.85
  4. Step 4: Simplify right side
    319,010.04x = 57,013,890,128.45
  5. Step 5: Solve for x
    x = 57,013,890,128.45/319,010.04
  6. Step 6: Final answer
    x = 178,721.30

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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.