Finding the Fourth Proportional to 117,207.84, 161,747.58 and 63,492.84
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Solution
The fourth proportional to 117,207.84, 161,747.58 and 63,492.84 is: 87,620.53
Step by Step Solution
- Step 1: Write the proportion equation
117,207.84 : 161,747.58 = 63,492.84 : x - Step 2: Convert to fraction form
117,207.84/161,747.58 = 63,492.84/x - Step 3: Cross multiply
117,207.84x = 161,747.58 × 63,492.84 - Step 4: Simplify right side
117,207.84x = 10,269,813,217.33 - Step 5: Solve for x
x = 10,269,813,217.33/117,207.84 - Step 6: Final answer
x = 87,620.53
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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.