Finding the Fourth Proportional to 223,858.10, 335,787.15 and 201,307.70
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Solution
The fourth proportional to 223,858.10, 335,787.15 and 201,307.70 is: 301,961.55
Step by Step Solution
- Step 1: Write the proportion equation
223,858.10 : 335,787.15 = 201,307.70 : x - Step 2: Convert to fraction form
223,858.10/335,787.15 = 201,307.70/x - Step 3: Cross multiply
223,858.10x = 335,787.15 × 201,307.70 - Step 4: Simplify right side
223,858.10x = 67,596,538,856.06 - Step 5: Solve for x
x = 67,596,538,856.06/223,858.10 - Step 6: Final answer
x = 301,961.55
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1.5x scale
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.