Finding the Fourth Proportional to 251,031.99, 346,413.78 and 136,306.14
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Solution
The fourth proportional to 251,031.99, 346,413.78 and 136,306.14 is: 188,096.84
Step by Step Solution
- Step 1: Write the proportion equation
251,031.99 : 346,413.78 = 136,306.14 : x - Step 2: Convert to fraction form
251,031.99/346,413.78 = 136,306.14/x - Step 3: Cross multiply
251,031.99x = 346,413.78 × 136,306.14 - Step 4: Simplify right side
251,031.99x = 47,218,325,194.61 - Step 5: Solve for x
x = 47,218,325,194.61/251,031.99 - Step 6: Final answer
x = 188,096.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.