Finding the Fourth Proportional to 272,668.58, 409,058.16 and 114,896.96
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Solution
The fourth proportional to 272,668.58, 409,058.16 and 114,896.96 is: 172,368.74
Step by Step Solution
- Step 1: Write the proportion equation
272,668.58 : 409,058.16 = 114,896.96 : x - Step 2: Convert to fraction form
272,668.58/409,058.16 = 114,896.96/x - Step 3: Cross multiply
272,668.58x = 409,058.16 × 114,896.96 - Step 4: Simplify right side
272,668.58x = 46,999,539,047.19 - Step 5: Solve for x
x = 46,999,539,047.19/272,668.58 - Step 6: Final answer
x = 172,368.74
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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.