Finding the Fourth Proportional to 311,277.08, 429,564.14 and 177,141.08
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Solution
The fourth proportional to 311,277.08, 429,564.14 and 177,141.08 is: 244,455.70
Step by Step Solution
- Step 1: Write the proportion equation
311,277.08 : 429,564.14 = 177,141.08 : x - Step 2: Convert to fraction form
311,277.08/429,564.14 = 177,141.08/x - Step 3: Cross multiply
311,277.08x = 429,564.14 × 177,141.08 - Step 4: Simplify right side
311,277.08x = 76,093,455,688.87 - Step 5: Solve for x
x = 76,093,455,688.87/311,277.08 - Step 6: Final answer
x = 244,455.70
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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.