Finding the Fourth Proportional to 211,585.84, 317,379.84 and 71,345.68
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Solution
The fourth proportional to 211,585.84, 317,379.84 and 71,345.68 is: 107,018.88
Step by Step Solution
- Step 1: Write the proportion equation
211,585.84 : 317,379.84 = 71,345.68 : x - Step 2: Convert to fraction form
211,585.84/317,379.84 = 71,345.68/x - Step 3: Cross multiply
211,585.84x = 317,379.84 × 71,345.68 - Step 4: Simplify right side
211,585.84x = 22,643,680,503.09 - Step 5: Solve for x
x = 22,643,680,503.09/211,585.84 - Step 6: Final answer
x = 107,018.88
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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.