Finding the Fourth Proportional to 246,418.98, 369,674.09 and 77,981.70
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Solution
The fourth proportional to 246,418.98, 369,674.09 and 77,981.70 is: 116,986.99
Step by Step Solution
- Step 1: Write the proportion equation
246,418.98 : 369,674.09 = 77,981.70 : x - Step 2: Convert to fraction form
246,418.98/369,674.09 = 77,981.70/x - Step 3: Cross multiply
246,418.98x = 369,674.09 × 77,981.70 - Step 4: Simplify right side
246,418.98x = 28,827,813,984.15 - Step 5: Solve for x
x = 28,827,813,984.15/246,418.98 - Step 6: Final answer
x = 116,986.99
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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.