Finding the Fourth Proportional to 248,774.50, 343,309.05 and 135,597.70
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Solution
The fourth proportional to 248,774.50, 343,309.05 and 135,597.70 is: 187,124.96
Step by Step Solution
- Step 1: Write the proportion equation
248,774.50 : 343,309.05 = 135,597.70 : x - Step 2: Convert to fraction form
248,774.50/343,309.05 = 135,597.70/x - Step 3: Cross multiply
248,774.50x = 343,309.05 × 135,597.70 - Step 4: Simplify right side
248,774.50x = 46,551,917,569.19 - Step 5: Solve for x
x = 46,551,917,569.19/248,774.50 - Step 6: Final answer
x = 187,124.96
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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.