Finding the Fourth Proportional to 211,541.63, 317,307.24 and 51,618.68
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Solution
The fourth proportional to 211,541.63, 317,307.24 and 51,618.68 is: 77,426.75
Step by Step Solution
- Step 1: Write the proportion equation
211,541.63 : 317,307.24 = 51,618.68 : x - Step 2: Convert to fraction form
211,541.63/317,307.24 = 51,618.68/x - Step 3: Cross multiply
211,541.63x = 317,307.24 × 51,618.68 - Step 4: Simplify right side
211,541.63x = 16,378,980,883.24 - Step 5: Solve for x
x = 16,378,980,883.24/211,541.63 - Step 6: Final answer
x = 77,426.75
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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.