Finding the Fourth Proportional to 97,770.99, 146,664.36 and 31,220.58
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Solution
The fourth proportional to 97,770.99, 146,664.36 and 31,220.58 is: 46,833.38
Step by Step Solution
- Step 1: Write the proportion equation
97,770.99 : 146,664.36 = 31,220.58 : x - Step 2: Convert to fraction form
97,770.99/146,664.36 = 31,220.58/x - Step 3: Cross multiply
97,770.99x = 146,664.36 × 31,220.58 - Step 4: Simplify right side
97,770.99x = 4,578,946,384.53 - Step 5: Solve for x
x = 4,578,946,384.53/97,770.99 - Step 6: Final answer
x = 46,833.38
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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.