Finding the Fourth Proportional to 99,952.37, 149,836.29 and 49,988.99
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Solution
The fourth proportional to 99,952.37, 149,836.29 and 49,988.99 is: 74,937.34
Step by Step Solution
- Step 1: Write the proportion equation
99,952.37 : 149,836.29 = 49,988.99 : x - Step 2: Convert to fraction form
99,952.37/149,836.29 = 49,988.99/x - Step 3: Cross multiply
99,952.37x = 149,836.29 × 49,988.99 - Step 4: Simplify right side
99,952.37x = 7,490,164,302.88 - Step 5: Solve for x
x = 7,490,164,302.88/99,952.37 - Step 6: Final answer
x = 74,937.34
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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.