Finding the Fourth Proportional to 290,978.27, 436,574.01 and 122,540.99
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Solution
The fourth proportional to 290,978.27, 436,574.01 and 122,540.99 is: 183,856.38
Step by Step Solution
- Step 1: Write the proportion equation
290,978.27 : 436,574.01 = 122,540.99 : x - Step 2: Convert to fraction form
290,978.27/436,574.01 = 122,540.99/x - Step 3: Cross multiply
290,978.27x = 436,574.01 × 122,540.99 - Step 4: Simplify right side
290,978.27x = 53,498,209,210.80 - Step 5: Solve for x
x = 53,498,209,210.80/290,978.27 - Step 6: Final answer
x = 183,856.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.