Finding the Fourth Proportional to 292,417.80, 403,571.52 and 177,715.13
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Solution
The fourth proportional to 292,417.80, 403,571.52 and 177,715.13 is: 245,268.12
Step by Step Solution
- Step 1: Write the proportion equation
292,417.80 : 403,571.52 = 177,715.13 : x - Step 2: Convert to fraction form
292,417.80/403,571.52 = 177,715.13/x - Step 3: Cross multiply
292,417.80x = 403,571.52 × 177,715.13 - Step 4: Simplify right side
292,417.80x = 71,720,763,123.24 - Step 5: Solve for x
x = 71,720,763,123.24/292,417.80 - Step 6: Final answer
x = 245,268.12
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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.