Finding the Fourth Proportional to 371,253.79, 512,330.44 and 201,487.91
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Solution
The fourth proportional to 371,253.79, 512,330.44 and 201,487.91 is: 278,053.43
Step by Step Solution
- Step 1: Write the proportion equation
371,253.79 : 512,330.44 = 201,487.91 : x - Step 2: Convert to fraction form
371,253.79/512,330.44 = 201,487.91/x - Step 3: Cross multiply
371,253.79x = 512,330.44 × 201,487.91 - Step 4: Simplify right side
371,253.79x = 103,228,389,858.37 - Step 5: Solve for x
x = 103,228,389,858.37/371,253.79 - Step 6: Final answer
x = 278,053.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.