Finding the Fourth Proportional to 371,243.66, 512,313.26 and 201,477.78
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Solution
The fourth proportional to 371,243.66, 512,313.26 and 201,477.78 is: 278,037.71
Step by Step Solution
- Step 1: Write the proportion equation
371,243.66 : 512,313.26 = 201,477.78 : x - Step 2: Convert to fraction form
371,243.66/512,313.26 = 201,477.78/x - Step 3: Cross multiply
371,243.66x = 512,313.26 × 201,477.78 - Step 4: Simplify right side
371,243.66x = 103,219,737,281.97 - Step 5: Solve for x
x = 103,219,737,281.97/371,243.66 - Step 6: Final answer
x = 278,037.71
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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.