Finding the Fourth Proportional to 186,217.68, 279,329.12 and 53,097.99
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Solution
The fourth proportional to 186,217.68, 279,329.12 and 53,097.99 is: 79,647.73
Step by Step Solution
- Step 1: Write the proportion equation
186,217.68 : 279,329.12 = 53,097.99 : x - Step 2: Convert to fraction form
186,217.68/279,329.12 = 53,097.99/x - Step 3: Cross multiply
186,217.68x = 279,329.12 × 53,097.99 - Step 4: Simplify right side
186,217.68x = 14,831,814,820.47 - Step 5: Solve for x
x = 14,831,814,820.47/186,217.68 - Step 6: Final answer
x = 79,647.73
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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.