Finding the Fourth Proportional to 383,252.12, 528,853.62 and 213,482.60
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Solution
The fourth proportional to 383,252.12, 528,853.62 and 213,482.60 is: 294,586.88
Step by Step Solution
- Step 1: Write the proportion equation
383,252.12 : 528,853.62 = 213,482.60 : x - Step 2: Convert to fraction form
383,252.12/528,853.62 = 213,482.60/x - Step 3: Cross multiply
383,252.12x = 528,853.62 × 213,482.60 - Step 4: Simplify right side
383,252.12x = 112,901,045,817.01 - Step 5: Solve for x
x = 112,901,045,817.01/383,252.12 - Step 6: Final answer
x = 294,586.88
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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.