Finding the Fourth Proportional to 383,405.40, 529,101.63 and 222,355.98
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Solution
The fourth proportional to 383,405.40, 529,101.63 and 222,355.98 is: 306,852.52
Step by Step Solution
- Step 1: Write the proportion equation
383,405.40 : 529,101.63 = 222,355.98 : x - Step 2: Convert to fraction form
383,405.40/529,101.63 = 222,355.98/x - Step 3: Cross multiply
383,405.40x = 529,101.63 × 222,355.98 - Step 4: Simplify right side
383,405.40x = 117,648,911,458.25 - Step 5: Solve for x
x = 117,648,911,458.25/383,405.40 - Step 6: Final answer
x = 306,852.52
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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.