Finding the Fourth Proportional to 248,999.84, 343,605.96 and 141,554.96
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Solution
The fourth proportional to 248,999.84, 343,605.96 and 141,554.96 is: 195,337.99
Step by Step Solution
- Step 1: Write the proportion equation
248,999.84 : 343,605.96 = 141,554.96 : x - Step 2: Convert to fraction form
248,999.84/343,605.96 = 141,554.96/x - Step 3: Cross multiply
248,999.84x = 343,605.96 × 141,554.96 - Step 4: Simplify right side
248,999.84x = 48,639,127,923.56 - Step 5: Solve for x
x = 48,639,127,923.56/248,999.84 - Step 6: Final answer
x = 195,337.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.