Finding the Fourth Proportional to 311,554.84, 468,307.86 and 205,619.63
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Solution
The fourth proportional to 311,554.84, 468,307.86 and 205,619.63 is: 309,073.32
Step by Step Solution
- Step 1: Write the proportion equation
311,554.84 : 468,307.86 = 205,619.63 : x - Step 2: Convert to fraction form
311,554.84/468,307.86 = 205,619.63/x - Step 3: Cross multiply
311,554.84x = 468,307.86 × 205,619.63 - Step 4: Simplify right side
311,554.84x = 96,293,289,577.52 - Step 5: Solve for x
x = 96,293,289,577.52/311,554.84 - Step 6: Final answer
x = 309,073.32
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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.