Home / 319,209.37-478,884.11-94,587.38

Finding the Fourth Proportional to 319,209.37, 478,884.11 and 94,587.38

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Solution

The fourth proportional to 319,209.37, 478,884.11 and 94,587.38 is: 141,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,209.37 : 478,884.11 = 94,587.38 : x
  2. Step 2: Convert to fraction form
    319,209.37/478,884.11 = 94,587.38/x
  3. Step 3: Cross multiply
    319,209.37x = 478,884.11 × 94,587.38
  4. Step 4: Simplify right side
    319,209.37x = 45,296,393,288.53
  5. Step 5: Solve for x
    x = 45,296,393,288.53/319,209.37
  6. Step 6: Final answer
    x = 141,901.83

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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.