Finding the Fourth Proportional to 458,828.96, 687,135.99 and 275,933.80
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Solution
The fourth proportional to 458,828.96, 687,135.99 and 275,933.80 is: 413,234.69
Step by Step Solution
- Step 1: Write the proportion equation
458,828.96 : 687,135.99 = 275,933.80 : x - Step 2: Convert to fraction form
458,828.96/687,135.99 = 275,933.80/x - Step 3: Cross multiply
458,828.96x = 687,135.99 × 275,933.80 - Step 4: Simplify right side
458,828.96x = 189,604,041,401.78 - Step 5: Solve for x
x = 189,604,041,401.78/458,828.96 - Step 6: Final answer
x = 413,234.69
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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.