Finding the Fourth Proportional to 317,046.60, 437,541.08 and 173,812.68
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Solution
The fourth proportional to 317,046.60, 437,541.08 and 173,812.68 is: 239,870.69
Step by Step Solution
- Step 1: Write the proportion equation
317,046.60 : 437,541.08 = 173,812.68 : x - Step 2: Convert to fraction form
317,046.60/437,541.08 = 173,812.68/x - Step 3: Cross multiply
317,046.60x = 437,541.08 × 173,812.68 - Step 4: Simplify right side
317,046.60x = 76,050,186,855.83 - Step 5: Solve for x
x = 76,050,186,855.83/317,046.60 - Step 6: Final answer
x = 239,870.69
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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.