Finding the Fourth Proportional to 438,600.99, 658,163.93 and 402,909.15
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Solution
The fourth proportional to 438,600.99, 658,163.93 and 402,909.15 is: 604,604.81
Step by Step Solution
- Step 1: Write the proportion equation
438,600.99 : 658,163.93 = 402,909.15 : x - Step 2: Convert to fraction form
438,600.99/658,163.93 = 402,909.15/x - Step 3: Cross multiply
438,600.99x = 658,163.93 × 402,909.15 - Step 4: Simplify right side
438,600.99x = 265,180,267,582.41 - Step 5: Solve for x
x = 265,180,267,582.41/438,600.99 - Step 6: Final answer
x = 604,604.81
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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.