Finding the Fourth Proportional to 341,605.36, 471,554.34 and 220,756.60
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Solution
The fourth proportional to 341,605.36, 471,554.34 and 220,756.60 is: 304,733.90
Step by Step Solution
- Step 1: Write the proportion equation
341,605.36 : 471,554.34 = 220,756.60 : x - Step 2: Convert to fraction form
341,605.36/471,554.34 = 220,756.60/x - Step 3: Cross multiply
341,605.36x = 471,554.34 × 220,756.60 - Step 4: Simplify right side
341,605.36x = 104,098,730,455.87 - Step 5: Solve for x
x = 104,098,730,455.87/341,605.36 - Step 6: Final answer
x = 304,733.90
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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.