Finding the Fourth Proportional to 211,453.24, 317,148.99 and 61,653.28
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Solution
The fourth proportional to 211,453.24, 317,148.99 and 61,653.28 is: 92,470.92
Step by Step Solution
- Step 1: Write the proportion equation
211,453.24 : 317,148.99 = 61,653.28 : x - Step 2: Convert to fraction form
211,453.24/317,148.99 = 61,653.28/x - Step 3: Cross multiply
211,453.24x = 317,148.99 × 61,653.28 - Step 4: Simplify right side
211,453.24x = 19,553,275,482.19 - Step 5: Solve for x
x = 19,553,275,482.19/211,453.24 - Step 6: Final answer
x = 92,470.92
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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.