Finding the Fourth Proportional to 287,320.76, 396,502.62 and 166,532.12
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Solution
The fourth proportional to 287,320.76, 396,502.62 and 166,532.12 is: 229,814.31
Step by Step Solution
- Step 1: Write the proportion equation
287,320.76 : 396,502.62 = 166,532.12 : x - Step 2: Convert to fraction form
287,320.76/396,502.62 = 166,532.12/x - Step 3: Cross multiply
287,320.76x = 396,502.62 × 166,532.12 - Step 4: Simplify right side
287,320.76x = 66,030,421,894.15 - Step 5: Solve for x
x = 66,030,421,894.15/287,320.76 - Step 6: Final answer
x = 229,814.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.