Finding the Fourth Proportional to 346,790.70, 519,408.45 and 284,582.70
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Solution
The fourth proportional to 346,790.70, 519,408.45 and 284,582.70 is: 426,235.94
Step by Step Solution
- Step 1: Write the proportion equation
346,790.70 : 519,408.45 = 284,582.70 : x - Step 2: Convert to fraction form
346,790.70/519,408.45 = 284,582.70/x - Step 3: Cross multiply
346,790.70x = 519,408.45 × 284,582.70 - Step 4: Simplify right side
346,790.70x = 147,814,659,103.82 - Step 5: Solve for x
x = 147,814,659,103.82/346,790.70 - Step 6: Final answer
x = 426,235.94
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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.