Finding the Fourth Proportional to 548,903.95, 757,471.18 and 303,899.63
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Solution
The fourth proportional to 548,903.95, 757,471.18 and 303,899.63 is: 419,372.48
Step by Step Solution
- Step 1: Write the proportion equation
548,903.95 : 757,471.18 = 303,899.63 : x - Step 2: Convert to fraction form
548,903.95/757,471.18 = 303,899.63/x - Step 3: Cross multiply
548,903.95x = 757,471.18 × 303,899.63 - Step 4: Simplify right side
548,903.95x = 230,195,211,337.66 - Step 5: Solve for x
x = 230,195,211,337.66/548,903.95 - Step 6: Final answer
x = 419,372.48
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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.