Finding the Fourth Proportional to 161,758.30, 242,628.62 and 49,438.48
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Solution
The fourth proportional to 161,758.30, 242,628.62 and 49,438.48 is: 74,155.02
Step by Step Solution
- Step 1: Write the proportion equation
161,758.30 : 242,628.62 = 49,438.48 : x - Step 2: Convert to fraction form
161,758.30/242,628.62 = 49,438.48/x - Step 3: Cross multiply
161,758.30x = 242,628.62 × 49,438.48 - Step 4: Simplify right side
161,758.30x = 11,995,190,604.18 - Step 5: Solve for x
x = 11,995,190,604.18/161,758.30 - Step 6: Final answer
x = 74,155.02
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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.