Finding the Fourth Proportional to 635,492.13, 876,975.73 and 345,101.19
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Solution
The fourth proportional to 635,492.13, 876,975.73 and 345,101.19 is: 476,237.79
Step by Step Solution
- Step 1: Write the proportion equation
635,492.13 : 876,975.73 = 345,101.19 : x - Step 2: Convert to fraction form
635,492.13/876,975.73 = 345,101.19/x - Step 3: Cross multiply
635,492.13x = 876,975.73 × 345,101.19 - Step 4: Simplify right side
635,492.13x = 302,645,368,024.12 - Step 5: Solve for x
x = 302,645,368,024.12/635,492.13 - Step 6: Final answer
x = 476,237.79
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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.