Finding the Fourth Proportional to 152,230.97, 228,484.97 and 81,213.82
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Solution
The fourth proportional to 152,230.97, 228,484.97 and 81,213.82 is: 121,894.63
Step by Step Solution
- Step 1: Write the proportion equation
152,230.97 : 228,484.97 = 81,213.82 : x - Step 2: Convert to fraction form
152,230.97/228,484.97 = 81,213.82/x - Step 3: Cross multiply
152,230.97x = 228,484.97 × 81,213.82 - Step 4: Simplify right side
152,230.97x = 18,556,137,226.29 - Step 5: Solve for x
x = 18,556,137,226.29/152,230.97 - Step 6: Final answer
x = 121,894.63
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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.