Finding the Fourth Proportional to 436,956.49, 655,470.30 and 121,413.43
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Solution
The fourth proportional to 436,956.49, 655,470.30 and 121,413.43 is: 182,130.02
Step by Step Solution
- Step 1: Write the proportion equation
436,956.49 : 655,470.30 = 121,413.43 : x - Step 2: Convert to fraction form
436,956.49/655,470.30 = 121,413.43/x - Step 3: Cross multiply
436,956.49x = 655,470.30 × 121,413.43 - Step 4: Simplify right side
436,956.49x = 79,582,894,108.78 - Step 5: Solve for x
x = 79,582,894,108.78/436,956.49 - Step 6: Final answer
x = 182,130.02
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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.