Finding the Fourth Proportional to 204,645.79, 282,303.43 and 136,665.63
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Solution
The fourth proportional to 204,645.79, 282,303.43 and 136,665.63 is: 188,526.60
Step by Step Solution
- Step 1: Write the proportion equation
204,645.79 : 282,303.43 = 136,665.63 : x - Step 2: Convert to fraction form
204,645.79/282,303.43 = 136,665.63/x - Step 3: Cross multiply
204,645.79x = 282,303.43 × 136,665.63 - Step 4: Simplify right side
204,645.79x = 38,581,175,770.45 - Step 5: Solve for x
x = 38,581,175,770.45/204,645.79 - Step 6: Final answer
x = 188,526.60
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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.