Finding the Fourth Proportional to 313,396.63, 470,281.73 and 113,732.62
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Solution
The fourth proportional to 313,396.63, 470,281.73 and 113,732.62 is: 170,666.71
Step by Step Solution
- Step 1: Write the proportion equation
313,396.63 : 470,281.73 = 113,732.62 : x - Step 2: Convert to fraction form
313,396.63/470,281.73 = 113,732.62/x - Step 3: Cross multiply
313,396.63x = 470,281.73 × 113,732.62 - Step 4: Simplify right side
313,396.63x = 53,486,371,223.96 - Step 5: Solve for x
x = 53,486,371,223.96/313,396.63 - Step 6: Final answer
x = 170,666.71
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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.