Finding the Fourth Proportional to 477,362.17, 715,989.79 and 122,384.53
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Solution
The fourth proportional to 477,362.17, 715,989.79 and 122,384.53 is: 183,563.09
Step by Step Solution
- Step 1: Write the proportion equation
477,362.17 : 715,989.79 = 122,384.53 : x - Step 2: Convert to fraction form
477,362.17/715,989.79 = 122,384.53/x - Step 3: Cross multiply
477,362.17x = 715,989.79 × 122,384.53 - Step 4: Simplify right side
477,362.17x = 87,626,073,933.95 - Step 5: Solve for x
x = 87,626,073,933.95/477,362.17 - Step 6: Final answer
x = 183,563.09
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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.