Finding the Fourth Proportional to 314,734.95, 472,241.96 and 164,939.63
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Solution
The fourth proportional to 314,734.95, 472,241.96 and 164,939.63 is: 247,482.56
Step by Step Solution
- Step 1: Write the proportion equation
314,734.95 : 472,241.96 = 164,939.63 : x - Step 2: Convert to fraction form
314,734.95/472,241.96 = 164,939.63/x - Step 3: Cross multiply
314,734.95x = 472,241.96 × 164,939.63 - Step 4: Simplify right side
314,734.95x = 77,891,410,966.97 - Step 5: Solve for x
x = 77,891,410,966.97/314,734.95 - Step 6: Final answer
x = 247,482.56
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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.