Finding the Fourth Proportional to 190,369.92, 285,302.56 and 101,431.84
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Solution
The fourth proportional to 190,369.92, 285,302.56 and 101,431.84 is: 152,013.32
Step by Step Solution
- Step 1: Write the proportion equation
190,369.92 : 285,302.56 = 101,431.84 : x - Step 2: Convert to fraction form
190,369.92/285,302.56 = 101,431.84/x - Step 3: Cross multiply
190,369.92x = 285,302.56 × 101,431.84 - Step 4: Simplify right side
190,369.92x = 28,938,763,617.51 - Step 5: Solve for x
x = 28,938,763,617.51/190,369.92 - Step 6: Final answer
x = 152,013.32
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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.