Finding the Fourth Proportional to 341,564.65, 471,492.14 and 305,692.36
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Solution
The fourth proportional to 341,564.65, 471,492.14 and 305,692.36 is: 421,974.41
Step by Step Solution
- Step 1: Write the proportion equation
341,564.65 : 471,492.14 = 305,692.36 : x - Step 2: Convert to fraction form
341,564.65/471,492.14 = 305,692.36/x - Step 3: Cross multiply
341,564.65x = 471,492.14 × 305,692.36 - Step 4: Simplify right side
341,564.65x = 144,131,541,112.13 - Step 5: Solve for x
x = 144,131,541,112.13/341,564.65 - Step 6: Final answer
x = 421,974.41
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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.