Finding the Fourth Proportional to 203,347.10, 280,629.34 and 117,274.08
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Solution
The fourth proportional to 203,347.10, 280,629.34 and 117,274.08 is: 161,844.19
Step by Step Solution
- Step 1: Write the proportion equation
203,347.10 : 280,629.34 = 117,274.08 : x - Step 2: Convert to fraction form
203,347.10/280,629.34 = 117,274.08/x - Step 3: Cross multiply
203,347.10x = 280,629.34 × 117,274.08 - Step 4: Simplify right side
203,347.10x = 32,910,547,669.51 - Step 5: Solve for x
x = 32,910,547,669.51/203,347.10 - Step 6: Final answer
x = 161,844.19
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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.