Finding the Fourth Proportional to 268,885.12, 403,324.94 and 69,204.74
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Solution
The fourth proportional to 268,885.12, 403,324.94 and 69,204.74 is: 103,806.40
Step by Step Solution
- Step 1: Write the proportion equation
268,885.12 : 403,324.94 = 69,204.74 : x - Step 2: Convert to fraction form
268,885.12/403,324.94 = 69,204.74/x - Step 3: Cross multiply
268,885.12x = 403,324.94 × 69,204.74 - Step 4: Simplify right side
268,885.12x = 27,911,997,608.22 - Step 5: Solve for x
x = 27,911,997,608.22/268,885.12 - Step 6: Final answer
x = 103,806.40
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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.