Finding the Fourth Proportional to 372,911.88, 514,618.44 and 203,146.08
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Solution
The fourth proportional to 372,911.88, 514,618.44 and 203,146.08 is: 280,341.62
Step by Step Solution
- Step 1: Write the proportion equation
372,911.88 : 514,618.44 = 203,146.08 : x - Step 2: Convert to fraction form
372,911.88/514,618.44 = 203,146.08/x - Step 3: Cross multiply
372,911.88x = 514,618.44 × 203,146.08 - Step 4: Simplify right side
372,911.88x = 104,542,718,781.72 - Step 5: Solve for x
x = 104,542,718,781.72/372,911.88 - Step 6: Final answer
x = 280,341.62
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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.