Finding the Fourth Proportional to 115,988.60, 162,850.60 and 115,988.60
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Solution
The fourth proportional to 115,988.60, 162,850.60 and 115,988.60 is: 162,850.60
Step by Step Solution
- Step 1: Write the proportion equation
115,988.60 : 162,850.60 = 115,988.60 : x - Step 2: Convert to fraction form
115,988.60/162,850.60 = 115,988.60/x - Step 3: Cross multiply
115,988.60x = 162,850.60 × 115,988.60 - Step 4: Simplify right side
115,988.60x = 18,888,813,103.16 - Step 5: Solve for x
x = 18,888,813,103.16/115,988.60 - Step 6: Final answer
x = 162,850.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.