Finding the Fourth Proportional to 249,683.58, 374,350.41 and 91,891.53
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Solution
The fourth proportional to 249,683.58, 374,350.41 and 91,891.53 is: 137,772.90
Step by Step Solution
- Step 1: Write the proportion equation
249,683.58 : 374,350.41 = 91,891.53 : x - Step 2: Convert to fraction form
249,683.58/374,350.41 = 91,891.53/x - Step 3: Cross multiply
249,683.58x = 374,350.41 × 91,891.53 - Step 4: Simplify right side
249,683.58x = 34,399,631,931.03 - Step 5: Solve for x
x = 34,399,631,931.03/249,683.58 - Step 6: Final answer
x = 137,772.90
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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.