Finding the Fourth Proportional to 465,378.25, 698,069.19 and 307,571.62
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Solution
The fourth proportional to 465,378.25, 698,069.19 and 307,571.62 is: 461,358.63
Step by Step Solution
- Step 1: Write the proportion equation
465,378.25 : 698,069.19 = 307,571.62 : x - Step 2: Convert to fraction form
465,378.25/698,069.19 = 307,571.62/x - Step 3: Cross multiply
465,378.25x = 698,069.19 × 307,571.62 - Step 4: Simplify right side
465,378.25x = 214,706,271,640.39 - Step 5: Solve for x
x = 214,706,271,640.39/465,378.25 - Step 6: Final answer
x = 461,358.63
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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.