Finding the Fourth Proportional to 208,851.10, 288,214.84 and 113,357.84
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Solution
The fourth proportional to 208,851.10, 288,214.84 and 113,357.84 is: 156,433.99
Step by Step Solution
- Step 1: Write the proportion equation
208,851.10 : 288,214.84 = 113,357.84 : x - Step 2: Convert to fraction form
208,851.10/288,214.84 = 113,357.84/x - Step 3: Cross multiply
208,851.10x = 288,214.84 × 113,357.84 - Step 4: Simplify right side
208,851.10x = 32,671,411,718.35 - Step 5: Solve for x
x = 32,671,411,718.35/208,851.10 - Step 6: Final answer
x = 156,433.99
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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.