Finding the Fourth Proportional to 199,367.79, 299,010.88 and 57,174.99
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Solution
The fourth proportional to 199,367.79, 299,010.88 and 57,174.99 is: 85,750.78
Step by Step Solution
- Step 1: Write the proportion equation
199,367.79 : 299,010.88 = 57,174.99 : x - Step 2: Convert to fraction form
199,367.79/299,010.88 = 57,174.99/x - Step 3: Cross multiply
199,367.79x = 299,010.88 × 57,174.99 - Step 4: Simplify right side
199,367.79x = 17,095,944,073.89 - Step 5: Solve for x
x = 17,095,944,073.89/199,367.79 - Step 6: Final answer
x = 85,750.78
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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.