Finding the Fourth Proportional to 754,026.84, 1,131,220.62 and 221,536.08
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Solution
The fourth proportional to 754,026.84, 1,131,220.62 and 221,536.08 is: 332,357.11
Step by Step Solution
- Step 1: Write the proportion equation
754,026.84 : 1,131,220.62 = 221,536.08 : x - Step 2: Convert to fraction form
754,026.84/1,131,220.62 = 221,536.08/x - Step 3: Cross multiply
754,026.84x = 1,131,220.62 × 221,536.08 - Step 4: Simplify right side
754,026.84x = 250,606,181,769.97 - Step 5: Solve for x
x = 250,606,181,769.97/754,026.84 - Step 6: Final answer
x = 332,357.11
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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.