Finding the Fourth Proportional to 137,507.68, 206,261.70 and 37,668.75
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Solution
The fourth proportional to 137,507.68, 206,261.70 and 37,668.75 is: 56,503.17
Step by Step Solution
- Step 1: Write the proportion equation
137,507.68 : 206,261.70 = 37,668.75 : x - Step 2: Convert to fraction form
137,507.68/206,261.70 = 37,668.75/x - Step 3: Cross multiply
137,507.68x = 206,261.70 × 37,668.75 - Step 4: Simplify right side
137,507.68x = 7,769,620,411.88 - Step 5: Solve for x
x = 7,769,620,411.88/137,507.68 - Step 6: Final answer
x = 56,503.17
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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.