Finding the Fourth Proportional to 160,273.68, 240,486.12 and 71,519.28
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Solution
The fourth proportional to 160,273.68, 240,486.12 and 71,519.28 is: 107,312.66
Step by Step Solution
- Step 1: Write the proportion equation
160,273.68 : 240,486.12 = 71,519.28 : x - Step 2: Convert to fraction form
160,273.68/240,486.12 = 71,519.28/x - Step 3: Cross multiply
160,273.68x = 240,486.12 × 71,519.28 - Step 4: Simplify right side
160,273.68x = 17,199,394,152.39 - Step 5: Solve for x
x = 17,199,394,152.39/160,273.68 - Step 6: Final answer
x = 107,312.66
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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.