Finding the Fourth Proportional to 247,816.88, 371,739.36 and 70,309.94
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Solution
The fourth proportional to 247,816.88, 371,739.36 and 70,309.94 is: 105,468.89
Step by Step Solution
- Step 1: Write the proportion equation
247,816.88 : 371,739.36 = 70,309.94 : x - Step 2: Convert to fraction form
247,816.88/371,739.36 = 70,309.94/x - Step 3: Cross multiply
247,816.88x = 371,739.36 × 70,309.94 - Step 4: Simplify right side
247,816.88x = 26,136,972,097.24 - Step 5: Solve for x
x = 26,136,972,097.24/247,816.88 - Step 6: Final answer
x = 105,468.89
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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.