Finding the Fourth Proportional to 383,150.87, 528,764.60 and 213,384.99
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Solution
The fourth proportional to 383,150.87, 528,764.60 and 213,384.99 is: 294,480.42
Step by Step Solution
- Step 1: Write the proportion equation
383,150.87 : 528,764.60 = 213,384.99 : x - Step 2: Convert to fraction form
383,150.87/528,764.60 = 213,384.99/x - Step 3: Cross multiply
383,150.87x = 528,764.60 × 213,384.99 - Step 4: Simplify right side
383,150.87x = 112,830,427,816.43 - Step 5: Solve for x
x = 112,830,427,816.43/383,150.87 - Step 6: Final answer
x = 294,480.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.