Finding the Fourth Proportional to 458,100.99, 687,380.67 and 205,562.07
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Solution
The fourth proportional to 458,100.99, 687,380.67 and 205,562.07 is: 308,445.95
Step by Step Solution
- Step 1: Write the proportion equation
458,100.99 : 687,380.67 = 205,562.07 : x - Step 2: Convert to fraction form
458,100.99/687,380.67 = 205,562.07/x - Step 3: Cross multiply
458,100.99x = 687,380.67 × 205,562.07 - Step 4: Simplify right side
458,100.99x = 141,299,393,403.19 - Step 5: Solve for x
x = 141,299,393,403.19/458,100.99 - Step 6: Final answer
x = 308,445.95
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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.