Home / 319,695.39-478,927.62-199,799.19

Finding the Fourth Proportional to 319,695.39, 478,927.62 and 199,799.19

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Solution

The fourth proportional to 319,695.39, 478,927.62 and 199,799.19 is: 299,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,695.39 : 478,927.62 = 199,799.19 : x
  2. Step 2: Convert to fraction form
    319,695.39/478,927.62 = 199,799.19/x
  3. Step 3: Cross multiply
    319,695.39x = 478,927.62 × 199,799.19
  4. Step 4: Simplify right side
    319,695.39x = 95,689,350,544.63
  5. Step 5: Solve for x
    x = 95,689,350,544.63/319,695.39
  6. Step 6: Final answer
    x = 299,314.14

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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.