Finding the Fourth Proportional to 609,170.65, 910,053.73 and 394,187.18
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Solution
The fourth proportional to 609,170.65, 910,053.73 and 394,187.18 is: 588,885.09
Step by Step Solution
- Step 1: Write the proportion equation
609,170.65 : 910,053.73 = 394,187.18 : x - Step 2: Convert to fraction form
609,170.65/910,053.73 = 394,187.18/x - Step 3: Cross multiply
609,170.65x = 910,053.73 × 394,187.18 - Step 4: Simplify right side
609,170.65x = 358,731,511,506.25 - Step 5: Solve for x
x = 358,731,511,506.25/609,170.65 - Step 6: Final answer
x = 588,885.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.