Finding the Fourth Proportional to 489,914.45, 734,585.66 and 190,044.63
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Solution
The fourth proportional to 489,914.45, 734,585.66 and 190,044.63 is: 284,955.99
Step by Step Solution
- Step 1: Write the proportion equation
489,914.45 : 734,585.66 = 190,044.63 : x - Step 2: Convert to fraction form
489,914.45/734,585.66 = 190,044.63/x - Step 3: Cross multiply
489,914.45x = 734,585.66 × 190,044.63 - Step 4: Simplify right side
489,914.45x = 139,604,059,720.45 - Step 5: Solve for x
x = 139,604,059,720.45/489,914.45 - Step 6: Final answer
x = 284,955.99
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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.