Finding the Fourth Proportional to 376,343.26, 519,117.46 and 223,273.09
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Solution
The fourth proportional to 376,343.26, 519,117.46 and 223,273.09 is: 307,976.71
Step by Step Solution
- Step 1: Write the proportion equation
376,343.26 : 519,117.46 = 223,273.09 : x - Step 2: Convert to fraction form
376,343.26/519,117.46 = 223,273.09/x - Step 3: Cross multiply
376,343.26x = 519,117.46 × 223,273.09 - Step 4: Simplify right side
376,343.26x = 115,904,955,655.20 - Step 5: Solve for x
x = 115,904,955,655.20/376,343.26 - Step 6: Final answer
x = 307,976.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.