Home / 319,366.15-478,092.13-308,010.47

Finding the Fourth Proportional to 319,366.15, 478,092.13 and 308,010.47

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Solution

The fourth proportional to 319,366.15, 478,092.13 and 308,010.47 is: 461,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,366.15 : 478,092.13 = 308,010.47 : x
  2. Step 2: Convert to fraction form
    319,366.15/478,092.13 = 308,010.47/x
  3. Step 3: Cross multiply
    319,366.15x = 478,092.13 × 308,010.47
  4. Step 4: Simplify right side
    319,366.15x = 147,257,378,504.11
  5. Step 5: Solve for x
    x = 147,257,378,504.11/319,366.15
  6. Step 6: Final answer
    x = 461,092.64

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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.