Finding the Fourth Proportional to 386,129.02, 532,858.18 and 235,226.02
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Solution
The fourth proportional to 386,129.02, 532,858.18 and 235,226.02 is: 324,611.99
Step by Step Solution
- Step 1: Write the proportion equation
386,129.02 : 532,858.18 = 235,226.02 : x - Step 2: Convert to fraction form
386,129.02/532,858.18 = 235,226.02/x - Step 3: Cross multiply
386,129.02x = 532,858.18 × 235,226.02 - Step 4: Simplify right side
386,129.02x = 125,342,108,905.84 - Step 5: Solve for x
x = 125,342,108,905.84/386,129.02 - Step 6: Final answer
x = 324,611.99
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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.