Finding the Fourth Proportional to 212,607.23, 318,918.14 and 112,632.17
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Solution
The fourth proportional to 212,607.23, 318,918.14 and 112,632.17 is: 168,952.12
Step by Step Solution
- Step 1: Write the proportion equation
212,607.23 : 318,918.14 = 112,632.17 : x - Step 2: Convert to fraction form
212,607.23/318,918.14 = 112,632.17/x - Step 3: Cross multiply
212,607.23x = 318,918.14 × 112,632.17 - Step 4: Simplify right side
212,607.23x = 35,920,441,597.40 - Step 5: Solve for x
x = 35,920,441,597.40/212,607.23 - Step 6: Final answer
x = 168,952.12
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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.