Finding the Fourth Proportional to 290,846.63, 436,266.68 and 113,478.20
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Solution
The fourth proportional to 290,846.63, 436,266.68 and 113,478.20 is: 170,216.02
Step by Step Solution
- Step 1: Write the proportion equation
290,846.63 : 436,266.68 = 113,478.20 : x - Step 2: Convert to fraction form
290,846.63/436,266.68 = 113,478.20/x - Step 3: Cross multiply
290,846.63x = 436,266.68 × 113,478.20 - Step 4: Simplify right side
290,846.63x = 49,506,754,817.65 - Step 5: Solve for x
x = 49,506,754,817.65/290,846.63 - Step 6: Final answer
x = 170,216.02
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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.