Finding the Fourth Proportional to 138,186.08, 207,344.68 and 59,322.80
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Solution
The fourth proportional to 138,186.08, 207,344.68 and 59,322.80 is: 89,012.34
Step by Step Solution
- Step 1: Write the proportion equation
138,186.08 : 207,344.68 = 59,322.80 : x - Step 2: Convert to fraction form
138,186.08/207,344.68 = 59,322.80/x - Step 3: Cross multiply
138,186.08x = 207,344.68 × 59,322.80 - Step 4: Simplify right side
138,186.08x = 12,300,266,982.70 - Step 5: Solve for x
x = 12,300,266,982.70/138,186.08 - Step 6: Final answer
x = 89,012.34
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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.