Finding the Fourth Proportional to 450,039.59, 620,762.00 and 288,638.99
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Solution
The fourth proportional to 450,039.59, 620,762.00 and 288,638.99 is: 398,134.12
Step by Step Solution
- Step 1: Write the proportion equation
450,039.59 : 620,762.00 = 288,638.99 : x - Step 2: Convert to fraction form
450,039.59/620,762.00 = 288,638.99/x - Step 3: Cross multiply
450,039.59x = 620,762.00 × 288,638.99 - Step 4: Simplify right side
450,039.59x = 179,176,114,491.23 - Step 5: Solve for x
x = 179,176,114,491.23/450,039.59 - Step 6: Final answer
x = 398,134.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.