Finding the Fourth Proportional to 149,877.12, 206,829.92 and 82,808.96
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Solution
The fourth proportional to 149,877.12, 206,829.92 and 82,808.96 is: 114,276.09
Step by Step Solution
- Step 1: Write the proportion equation
149,877.12 : 206,829.92 = 82,808.96 : x - Step 2: Convert to fraction form
149,877.12/206,829.92 = 82,808.96/x - Step 3: Cross multiply
149,877.12x = 206,829.92 × 82,808.96 - Step 4: Simplify right side
149,877.12x = 17,127,370,572.08 - Step 5: Solve for x
x = 17,127,370,572.08/149,877.12 - Step 6: Final answer
x = 114,276.09
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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.