Finding the Fourth Proportional to 299,129.63, 412,798.88 and 164,993.63
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Solution
The fourth proportional to 299,129.63, 412,798.88 and 164,993.63 is: 227,691.20
Step by Step Solution
- Step 1: Write the proportion equation
299,129.63 : 412,798.88 = 164,993.63 : x - Step 2: Convert to fraction form
299,129.63/412,798.88 = 164,993.63/x - Step 3: Cross multiply
299,129.63x = 412,798.88 × 164,993.63 - Step 4: Simplify right side
299,129.63x = 68,109,184,019.62 - Step 5: Solve for x
x = 68,109,184,019.62/299,129.63 - Step 6: Final answer
x = 227,691.20
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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.