Finding the Fourth Proportional to 249,699.36, 374,586.33 and 91,915.82
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Solution
The fourth proportional to 249,699.36, 374,586.33 and 91,915.82 is: 137,887.45
Step by Step Solution
- Step 1: Write the proportion equation
249,699.36 : 374,586.33 = 91,915.82 : x - Step 2: Convert to fraction form
249,699.36/374,586.33 = 91,915.82/x - Step 3: Cross multiply
249,699.36x = 374,586.33 × 91,915.82 - Step 4: Simplify right side
249,699.36x = 34,430,407,809.81 - Step 5: Solve for x
x = 34,430,407,809.81/249,699.36 - Step 6: Final answer
x = 137,887.45
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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.