Finding the Fourth Proportional to 521,171.08, 781,759.74 and 147,197.32
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Solution
The fourth proportional to 521,171.08, 781,759.74 and 147,197.32 is: 220,796.86
Step by Step Solution
- Step 1: Write the proportion equation
521,171.08 : 781,759.74 = 147,197.32 : x - Step 2: Convert to fraction form
521,171.08/781,759.74 = 147,197.32/x - Step 3: Cross multiply
521,171.08x = 781,759.74 × 147,197.32 - Step 4: Simplify right side
521,171.08x = 115,072,938,611.90 - Step 5: Solve for x
x = 115,072,938,611.90/521,171.08 - Step 6: Final answer
x = 220,796.86
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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.