Finding the Fourth Proportional to 209,035.62, 313,605.52 and 61,291.62
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Solution
The fourth proportional to 209,035.62, 313,605.52 and 61,291.62 is: 91,952.70
Step by Step Solution
- Step 1: Write the proportion equation
209,035.62 : 313,605.52 = 61,291.62 : x - Step 2: Convert to fraction form
209,035.62/313,605.52 = 61,291.62/x - Step 3: Cross multiply
209,035.62x = 313,605.52 × 61,291.62 - Step 4: Simplify right side
209,035.62x = 19,221,390,361.74 - Step 5: Solve for x
x = 19,221,390,361.74/209,035.62 - Step 6: Final answer
x = 91,952.70
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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.