Finding the Fourth Proportional to 383,415.55, 529,115.56 and 222,366.08
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Solution
The fourth proportional to 383,415.55, 529,115.56 and 222,366.08 is: 306,866.41
Step by Step Solution
- Step 1: Write the proportion equation
383,415.55 : 529,115.56 = 222,366.08 : x - Step 2: Convert to fraction form
383,415.55/529,115.56 = 222,366.08/x - Step 3: Cross multiply
383,415.55x = 529,115.56 × 222,366.08 - Step 4: Simplify right side
383,415.55x = 117,657,353,711.08 - Step 5: Solve for x
x = 117,657,353,711.08/383,415.55 - Step 6: Final answer
x = 306,866.41
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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.