Finding the Fourth Proportional to 165,644.10, 248,320.35 and 99,110.70
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Solution
The fourth proportional to 165,644.10, 248,320.35 and 99,110.70 is: 148,578.81
Step by Step Solution
- Step 1: Write the proportion equation
165,644.10 : 248,320.35 = 99,110.70 : x - Step 2: Convert to fraction form
165,644.10/248,320.35 = 99,110.70/x - Step 3: Cross multiply
165,644.10x = 248,320.35 × 99,110.70 - Step 4: Simplify right side
165,644.10x = 24,611,203,712.75 - Step 5: Solve for x
x = 24,611,203,712.75/165,644.10 - Step 6: Final answer
x = 148,578.81
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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.