Finding the Fourth Proportional to 109,084.24, 163,599.36 and 77,402.08
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Solution
The fourth proportional to 109,084.24, 163,599.36 and 77,402.08 is: 116,083.96
Step by Step Solution
- Step 1: Write the proportion equation
109,084.24 : 163,599.36 = 77,402.08 : x - Step 2: Convert to fraction form
109,084.24/163,599.36 = 77,402.08/x - Step 3: Cross multiply
109,084.24x = 163,599.36 × 77,402.08 - Step 4: Simplify right side
109,084.24x = 12,662,930,750.67 - Step 5: Solve for x
x = 12,662,930,750.67/109,084.24 - Step 6: Final answer
x = 116,083.96
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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.