Finding the Fourth Proportional to 243,344.98, 364,988.71 and 74,864.98
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Solution
The fourth proportional to 243,344.98, 364,988.71 and 74,864.98 is: 112,288.62
Step by Step Solution
- Step 1: Write the proportion equation
243,344.98 : 364,988.71 = 74,864.98 : x - Step 2: Convert to fraction form
243,344.98/364,988.71 = 74,864.98/x - Step 3: Cross multiply
243,344.98x = 364,988.71 × 74,864.98 - Step 4: Simplify right side
243,344.98x = 27,324,872,474.38 - Step 5: Solve for x
x = 27,324,872,474.38/243,344.98 - Step 6: Final answer
x = 112,288.62
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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.