Finding the Fourth Proportional to 318,058.44, 439,022.93 and 203,645.26
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Solution
The fourth proportional to 318,058.44, 439,022.93 and 203,645.26 is: 281,095.95
Step by Step Solution
- Step 1: Write the proportion equation
318,058.44 : 439,022.93 = 203,645.26 : x - Step 2: Convert to fraction form
318,058.44/439,022.93 = 203,645.26/x - Step 3: Cross multiply
318,058.44x = 439,022.93 × 203,645.26 - Step 4: Simplify right side
318,058.44x = 89,404,938,725.81 - Step 5: Solve for x
x = 89,404,938,725.81/318,058.44 - Step 6: Final answer
x = 281,095.95
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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.