Finding the Fourth Proportional to 135,474.62, 203,338.02 and 68,964.53
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Solution
The fourth proportional to 135,474.62, 203,338.02 and 68,964.53 is: 103,510.98
Step by Step Solution
- Step 1: Write the proportion equation
135,474.62 : 203,338.02 = 68,964.53 : x - Step 2: Convert to fraction form
135,474.62/203,338.02 = 68,964.53/x - Step 3: Cross multiply
135,474.62x = 203,338.02 × 68,964.53 - Step 4: Simplify right side
135,474.62x = 14,023,109,963.74 - Step 5: Solve for x
x = 14,023,109,963.74/135,474.62 - Step 6: Final answer
x = 103,510.98
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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.