Finding the Fourth Proportional to 242,868.42, 363,990.42 and 116,318.88
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Solution
The fourth proportional to 242,868.42, 363,990.42 and 116,318.88 is: 174,328.79
Step by Step Solution
- Step 1: Write the proportion equation
242,868.42 : 363,990.42 = 116,318.88 : x - Step 2: Convert to fraction form
242,868.42/363,990.42 = 116,318.88/x - Step 3: Cross multiply
242,868.42x = 363,990.42 × 116,318.88 - Step 4: Simplify right side
242,868.42x = 42,338,957,985.13 - Step 5: Solve for x
x = 42,338,957,985.13/242,868.42 - Step 6: Final answer
x = 174,328.79
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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.