Finding the Fourth Proportional to 249,641.05, 374,424.67 and 91,832.60
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Solution
The fourth proportional to 249,641.05, 374,424.67 and 91,832.60 is: 137,735.32
Step by Step Solution
- Step 1: Write the proportion equation
249,641.05 : 374,424.67 = 91,832.60 : x - Step 2: Convert to fraction form
249,641.05/374,424.67 = 91,832.60/x - Step 3: Cross multiply
249,641.05x = 374,424.67 × 91,832.60 - Step 4: Simplify right side
249,641.05x = 34,384,388,618.96 - Step 5: Solve for x
x = 34,384,388,618.96/249,641.05 - Step 6: Final answer
x = 137,735.32
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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.