Finding the Fourth Proportional to 212,715.93, 318,961.03 and 62,935.59
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Solution
The fourth proportional to 212,715.93, 318,961.03 and 62,935.59 is: 94,369.99
Step by Step Solution
- Step 1: Write the proportion equation
212,715.93 : 318,961.03 = 62,935.59 : x - Step 2: Convert to fraction form
212,715.93/318,961.03 = 62,935.59/x - Step 3: Cross multiply
212,715.93x = 318,961.03 × 62,935.59 - Step 4: Simplify right side
212,715.93x = 20,074,000,610.06 - Step 5: Solve for x
x = 20,074,000,610.06/212,715.93 - Step 6: Final answer
x = 94,369.99
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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.