Finding the Fourth Proportional to 290,877.35, 436,208.04 and 101,289.06
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Solution
The fourth proportional to 290,877.35, 436,208.04 and 101,289.06 is: 151,895.99
Step by Step Solution
- Step 1: Write the proportion equation
290,877.35 : 436,208.04 = 101,289.06 : x - Step 2: Convert to fraction form
290,877.35/436,208.04 = 101,289.06/x - Step 3: Cross multiply
290,877.35x = 436,208.04 × 101,289.06 - Step 4: Simplify right side
290,877.35x = 44,183,102,336.04 - Step 5: Solve for x
x = 44,183,102,336.04/290,877.35 - Step 6: Final answer
x = 151,895.99
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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.