Finding the Fourth Proportional to 442,990.23, 664,550.55 and 143,371.23
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Solution
The fourth proportional to 442,990.23, 664,550.55 and 143,371.23 is: 215,077.95
Step by Step Solution
- Step 1: Write the proportion equation
442,990.23 : 664,550.55 = 143,371.23 : x - Step 2: Convert to fraction form
442,990.23/664,550.55 = 143,371.23/x - Step 3: Cross multiply
442,990.23x = 664,550.55 × 143,371.23 - Step 4: Simplify right side
442,990.23x = 95,277,429,750.68 - Step 5: Solve for x
x = 95,277,429,750.68/442,990.23 - Step 6: Final answer
x = 215,077.95
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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.