Finding the Fourth Proportional to 116,207.60, 160,368.68 and 68,487.26
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Solution
The fourth proportional to 116,207.60, 160,368.68 and 68,487.26 is: 94,513.71
Step by Step Solution
- Step 1: Write the proportion equation
116,207.60 : 160,368.68 = 68,487.26 : x - Step 2: Convert to fraction form
116,207.60/160,368.68 = 68,487.26/x - Step 3: Cross multiply
116,207.60x = 160,368.68 × 68,487.26 - Step 4: Simplify right side
116,207.60x = 10,983,211,483.02 - Step 5: Solve for x
x = 10,983,211,483.02/116,207.60 - Step 6: Final answer
x = 94,513.71
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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.