Finding the Fourth Proportional to 115,195.70, 172,817.08 and 65,298.08
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Solution
The fourth proportional to 115,195.70, 172,817.08 and 65,298.08 is: 97,960.46
Step by Step Solution
- Step 1: Write the proportion equation
115,195.70 : 172,817.08 = 65,298.08 : x - Step 2: Convert to fraction form
115,195.70/172,817.08 = 65,298.08/x - Step 3: Cross multiply
115,195.70x = 172,817.08 × 65,298.08 - Step 4: Simplify right side
115,195.70x = 11,284,623,784.00 - Step 5: Solve for x
x = 11,284,623,784.00/115,195.70 - Step 6: Final answer
x = 97,960.46
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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.