Finding the Fourth Proportional to 211,497.31, 317,267.84 and 71,266.87
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Solution
The fourth proportional to 211,497.31, 317,267.84 and 71,266.87 is: 106,907.68
Step by Step Solution
- Step 1: Write the proportion equation
211,497.31 : 317,267.84 = 71,266.87 : x - Step 2: Convert to fraction form
211,497.31/317,267.84 = 71,266.87/x - Step 3: Cross multiply
211,497.31x = 317,267.84 × 71,266.87 - Step 4: Simplify right side
211,497.31x = 22,610,685,908.46 - Step 5: Solve for x
x = 22,610,685,908.46/211,497.31 - Step 6: Final answer
x = 106,907.68
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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.