Finding the Fourth Proportional to 359,758.67, 539,543.99 and 106,971.09
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Solution
The fourth proportional to 359,758.67, 539,543.99 and 106,971.09 is: 160,428.68
Step by Step Solution
- Step 1: Write the proportion equation
359,758.67 : 539,543.99 = 106,971.09 : x - Step 2: Convert to fraction form
359,758.67/539,543.99 = 106,971.09/x - Step 3: Cross multiply
359,758.67x = 539,543.99 × 106,971.09 - Step 4: Simplify right side
359,758.67x = 57,715,608,178.39 - Step 5: Solve for x
x = 57,715,608,178.39/359,758.67 - Step 6: Final answer
x = 160,428.68
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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.