Finding the Fourth Proportional to 193,425.60, 289,963.44 and 68,737.44
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Solution
The fourth proportional to 193,425.60, 289,963.44 and 68,737.44 is: 103,043.98
Step by Step Solution
- Step 1: Write the proportion equation
193,425.60 : 289,963.44 = 68,737.44 : x - Step 2: Convert to fraction form
193,425.60/289,963.44 = 68,737.44/x - Step 3: Cross multiply
193,425.60x = 289,963.44 × 68,737.44 - Step 4: Simplify right side
193,425.60x = 19,931,344,559.19 - Step 5: Solve for x
x = 19,931,344,559.19/193,425.60 - Step 6: Final answer
x = 103,043.98
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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.