Finding the Fourth Proportional to 146,363.10, 201,985.02 and 82,699.44
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Solution
The fourth proportional to 146,363.10, 201,985.02 and 82,699.44 is: 114,127.45
Step by Step Solution
- Step 1: Write the proportion equation
146,363.10 : 201,985.02 = 82,699.44 : x - Step 2: Convert to fraction form
146,363.10/201,985.02 = 82,699.44/x - Step 3: Cross multiply
146,363.10x = 201,985.02 × 82,699.44 - Step 4: Simplify right side
146,363.10x = 16,704,048,042.39 - Step 5: Solve for x
x = 16,704,048,042.39/146,363.10 - Step 6: Final answer
x = 114,127.45
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1.5x scale
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.