Finding the Fourth Proportional to 234,605.05, 352,378.84 and 140,020.03
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Solution
The fourth proportional to 234,605.05, 352,378.84 and 140,020.03 is: 210,311.31
Step by Step Solution
- Step 1: Write the proportion equation
234,605.05 : 352,378.84 = 140,020.03 : x - Step 2: Convert to fraction form
234,605.05/352,378.84 = 140,020.03/x - Step 3: Cross multiply
234,605.05x = 352,378.84 × 140,020.03 - Step 4: Simplify right side
234,605.05x = 49,340,095,748.17 - Step 5: Solve for x
x = 49,340,095,748.17/234,605.05 - Step 6: Final answer
x = 210,311.31
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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.