Finding the Fourth Proportional to 493,188.36, 680,604.36 and 266,838.36
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Solution
The fourth proportional to 493,188.36, 680,604.36 and 266,838.36 is: 368,239.33
Step by Step Solution
- Step 1: Write the proportion equation
493,188.36 : 680,604.36 = 266,838.36 : x - Step 2: Convert to fraction form
493,188.36/680,604.36 = 266,838.36/x - Step 3: Cross multiply
493,188.36x = 680,604.36 × 266,838.36 - Step 4: Simplify right side
493,188.36x = 181,611,351,231.25 - Step 5: Solve for x
x = 181,611,351,231.25/493,188.36 - Step 6: Final answer
x = 368,239.33
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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.