Finding the Fourth Proportional to 202,253.20, 303,629.40 and 127,373.20
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Solution
The fourth proportional to 202,253.20, 303,629.40 and 127,373.20 is: 191,216.99
Step by Step Solution
- Step 1: Write the proportion equation
202,253.20 : 303,629.40 = 127,373.20 : x - Step 2: Convert to fraction form
202,253.20/303,629.40 = 127,373.20/x - Step 3: Cross multiply
202,253.20x = 303,629.40 × 127,373.20 - Step 4: Simplify right side
202,253.20x = 38,674,248,292.08 - Step 5: Solve for x
x = 38,674,248,292.08/202,253.20 - Step 6: Final answer
x = 191,216.99
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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.