Finding the Fourth Proportional to 168,802.80, 253,163.70 and 97,571.40
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Solution
The fourth proportional to 168,802.80, 253,163.70 and 97,571.40 is: 146,333.69
Step by Step Solution
- Step 1: Write the proportion equation
168,802.80 : 253,163.70 = 97,571.40 : x - Step 2: Convert to fraction form
168,802.80/253,163.70 = 97,571.40/x - Step 3: Cross multiply
168,802.80x = 253,163.70 × 97,571.40 - Step 4: Simplify right side
168,802.80x = 24,701,536,638.18 - Step 5: Solve for x
x = 24,701,536,638.18/168,802.80 - Step 6: Final answer
x = 146,333.69
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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.