Finding the Fourth Proportional to 290,731.02, 436,265.73 and 122,239.14
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Solution
The fourth proportional to 290,731.02, 436,265.73 and 122,239.14 is: 183,429.85
Step by Step Solution
- Step 1: Write the proportion equation
290,731.02 : 436,265.73 = 122,239.14 : x - Step 2: Convert to fraction form
290,731.02/436,265.73 = 122,239.14/x - Step 3: Cross multiply
290,731.02x = 436,265.73 × 122,239.14 - Step 4: Simplify right side
290,731.02x = 53,328,747,646.67 - Step 5: Solve for x
x = 53,328,747,646.67/290,731.02 - Step 6: Final answer
x = 183,429.85
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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.