Finding the Fourth Proportional to 383,252.24, 528,888.84 and 222,138.32
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Solution
The fourth proportional to 383,252.24, 528,888.84 and 222,138.32 is: 306,551.32
Step by Step Solution
- Step 1: Write the proportion equation
383,252.24 : 528,888.84 = 222,138.32 : x - Step 2: Convert to fraction form
383,252.24/528,888.84 = 222,138.32/x - Step 3: Cross multiply
383,252.24x = 528,888.84 × 222,138.32 - Step 4: Simplify right side
383,252.24x = 117,486,478,384.35 - Step 5: Solve for x
x = 117,486,478,384.35/383,252.24 - Step 6: Final answer
x = 306,551.32
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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.