Finding the Fourth Proportional to 135,335.99, 202,911.72 and 68,647.53
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Solution
The fourth proportional to 135,335.99, 202,911.72 and 68,647.53 is: 102,924.49
Step by Step Solution
- Step 1: Write the proportion equation
135,335.99 : 202,911.72 = 68,647.53 : x - Step 2: Convert to fraction form
135,335.99/202,911.72 = 68,647.53/x - Step 3: Cross multiply
135,335.99x = 202,911.72 × 68,647.53 - Step 4: Simplify right side
135,335.99x = 13,929,387,371.49 - Step 5: Solve for x
x = 13,929,387,371.49/135,335.99 - Step 6: Final answer
x = 102,924.49
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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.