Finding the Fourth Proportional to 137,391.04, 206,090.61 and 117,273.69
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Solution
The fourth proportional to 137,391.04, 206,090.61 and 117,273.69 is: 175,913.99
Step by Step Solution
- Step 1: Write the proportion equation
137,391.04 : 206,090.61 = 117,273.69 : x - Step 2: Convert to fraction form
137,391.04/206,090.61 = 117,273.69/x - Step 3: Cross multiply
137,391.04x = 206,090.61 × 117,273.69 - Step 4: Simplify right side
137,391.04x = 24,169,006,309.05 - Step 5: Solve for x
x = 24,169,006,309.05/137,391.04 - Step 6: Final answer
x = 175,913.99
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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.