Finding the Fourth Proportional to 317,178.54, 437,706.99 and 173,939.64
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Solution
The fourth proportional to 317,178.54, 437,706.99 and 173,939.64 is: 240,037.03
Step by Step Solution
- Step 1: Write the proportion equation
317,178.54 : 437,706.99 = 173,939.64 : x - Step 2: Convert to fraction form
317,178.54/437,706.99 = 173,939.64/x - Step 3: Cross multiply
317,178.54x = 437,706.99 × 173,939.64 - Step 4: Simplify right side
317,178.54x = 76,134,596,266.08 - Step 5: Solve for x
x = 76,134,596,266.08/317,178.54 - Step 6: Final answer
x = 240,037.03
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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.