Finding the Fourth Proportional to 317,358.54, 437,940.27 and 174,115.62
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Solution
The fourth proportional to 317,358.54, 437,940.27 and 174,115.62 is: 240,271.59
Step by Step Solution
- Step 1: Write the proportion equation
317,358.54 : 437,940.27 = 174,115.62 : x - Step 2: Convert to fraction form
317,358.54/437,940.27 = 174,115.62/x - Step 3: Cross multiply
317,358.54x = 437,940.27 × 174,115.62 - Step 4: Simplify right side
317,358.54x = 76,252,241,634.02 - Step 5: Solve for x
x = 76,252,241,634.02/317,358.54 - Step 6: Final answer
x = 240,271.59
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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.