Finding the Fourth Proportional to 171,000.99, 236,132.68 and 106,580.18
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Solution
The fourth proportional to 171,000.99, 236,132.68 and 106,580.18 is: 147,174.96
Step by Step Solution
- Step 1: Write the proportion equation
171,000.99 : 236,132.68 = 106,580.18 : x - Step 2: Convert to fraction form
171,000.99/236,132.68 = 106,580.18/x - Step 3: Cross multiply
171,000.99x = 236,132.68 × 106,580.18 - Step 4: Simplify right side
171,000.99x = 25,167,063,538.28 - Step 5: Solve for x
x = 25,167,063,538.28/171,000.99 - Step 6: Final answer
x = 147,174.96
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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.