Finding the Fourth Proportional to 137,503.44, 206,313.98 and 57,560.09
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Solution
The fourth proportional to 137,503.44, 206,313.98 and 57,560.09 is: 86,364.75
Step by Step Solution
- Step 1: Write the proportion equation
137,503.44 : 206,313.98 = 57,560.09 : x - Step 2: Convert to fraction form
137,503.44/206,313.98 = 57,560.09/x - Step 3: Cross multiply
137,503.44x = 206,313.98 × 57,560.09 - Step 4: Simplify right side
137,503.44x = 11,875,450,800.46 - Step 5: Solve for x
x = 11,875,450,800.46/137,503.44 - Step 6: Final answer
x = 86,364.75
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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.