Finding the Fourth Proportional to 237,271.78, 355,938.99 and 87,617.26
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Solution
The fourth proportional to 237,271.78, 355,938.99 and 87,617.26 is: 131,437.46
Step by Step Solution
- Step 1: Write the proportion equation
237,271.78 : 355,938.99 = 87,617.26 : x - Step 2: Convert to fraction form
237,271.78/355,938.99 = 87,617.26/x - Step 3: Cross multiply
237,271.78x = 355,938.99 × 87,617.26 - Step 4: Simplify right side
237,271.78x = 31,186,399,030.97 - Step 5: Solve for x
x = 31,186,399,030.97/237,271.78 - Step 6: Final answer
x = 131,437.46
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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.