Finding the Fourth Proportional to 311,474.36, 429,838.64 and 184,148.84
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Solution
The fourth proportional to 311,474.36, 429,838.64 and 184,148.84 is: 254,127.77
Step by Step Solution
- Step 1: Write the proportion equation
311,474.36 : 429,838.64 = 184,148.84 : x - Step 2: Convert to fraction form
311,474.36/429,838.64 = 184,148.84/x - Step 3: Cross multiply
311,474.36x = 429,838.64 × 184,148.84 - Step 4: Simplify right side
311,474.36x = 79,154,283,873.24 - Step 5: Solve for x
x = 79,154,283,873.24/311,474.36 - Step 6: Final answer
x = 254,127.77
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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.