Finding the Fourth Proportional to 310,537.30, 428,515.14 and 174,560.98
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Solution
The fourth proportional to 310,537.30, 428,515.14 and 174,560.98 is: 240,879.35
Step by Step Solution
- Step 1: Write the proportion equation
310,537.30 : 428,515.14 = 174,560.98 : x - Step 2: Convert to fraction form
310,537.30/428,515.14 = 174,560.98/x - Step 3: Cross multiply
310,537.30x = 428,515.14 × 174,560.98 - Step 4: Simplify right side
310,537.30x = 74,802,022,783.24 - Step 5: Solve for x
x = 74,802,022,783.24/310,537.30 - Step 6: Final answer
x = 240,879.35
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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.