Finding the Fourth Proportional to 242,880.32, 364,344.77 and 74,398.70
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Solution
The fourth proportional to 242,880.32, 364,344.77 and 74,398.70 is: 111,605.48
Step by Step Solution
- Step 1: Write the proportion equation
242,880.32 : 364,344.77 = 74,398.70 : x - Step 2: Convert to fraction form
242,880.32/364,344.77 = 74,398.70/x - Step 3: Cross multiply
242,880.32x = 364,344.77 × 74,398.70 - Step 4: Simplify right side
242,880.32x = 27,106,775,046.08 - Step 5: Solve for x
x = 27,106,775,046.08/242,880.32 - Step 6: Final answer
x = 111,605.48
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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.