Finding the Fourth Proportional to 372,404.68, 513,971.62 and 209,078.44
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Solution
The fourth proportional to 372,404.68, 513,971.62 and 209,078.44 is: 288,558.09
Step by Step Solution
- Step 1: Write the proportion equation
372,404.68 : 513,971.62 = 209,078.44 : x - Step 2: Convert to fraction form
372,404.68/513,971.62 = 209,078.44/x - Step 3: Cross multiply
372,404.68x = 513,971.62 × 209,078.44 - Step 4: Simplify right side
372,404.68x = 107,460,384,513.87 - Step 5: Solve for x
x = 107,460,384,513.87/372,404.68 - Step 6: Final answer
x = 288,558.09
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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.