Finding the Fourth Proportional to 164,853.84, 247,111.12 and 74,959.08
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Solution
The fourth proportional to 164,853.84, 247,111.12 and 74,959.08 is: 112,361.48
Step by Step Solution
- Step 1: Write the proportion equation
164,853.84 : 247,111.12 = 74,959.08 : x - Step 2: Convert to fraction form
164,853.84/247,111.12 = 74,959.08/x - Step 3: Cross multiply
164,853.84x = 247,111.12 × 74,959.08 - Step 4: Simplify right side
164,853.84x = 18,523,222,212.97 - Step 5: Solve for x
x = 18,523,222,212.97/164,853.84 - Step 6: Final answer
x = 112,361.48
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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.