Finding the Fourth Proportional to 249,683.08, 374,349.66 and 91,891.03
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Solution
The fourth proportional to 249,683.08, 374,349.66 and 91,891.03 is: 137,772.15
Step by Step Solution
- Step 1: Write the proportion equation
249,683.08 : 374,349.66 = 91,891.03 : x - Step 2: Convert to fraction form
249,683.08/374,349.66 = 91,891.03/x - Step 3: Cross multiply
249,683.08x = 374,349.66 × 91,891.03 - Step 4: Simplify right side
249,683.08x = 34,399,375,837.55 - Step 5: Solve for x
x = 34,399,375,837.55/249,683.08 - Step 6: Final answer
x = 137,772.15
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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.