Finding the Fourth Proportional to 345,252.12, 517,670.82 and 134,989.08
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Solution
The fourth proportional to 345,252.12, 517,670.82 and 134,989.08 is: 202,402.54
Step by Step Solution
- Step 1: Write the proportion equation
345,252.12 : 517,670.82 = 134,989.08 : x - Step 2: Convert to fraction form
345,252.12/517,670.82 = 134,989.08/x - Step 3: Cross multiply
345,252.12x = 517,670.82 × 134,989.08 - Step 4: Simplify right side
345,252.12x = 69,879,907,734.65 - Step 5: Solve for x
x = 69,879,907,734.65/345,252.12 - Step 6: Final answer
x = 202,402.54
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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.