Finding the Fourth Proportional to 317,879.52, 476,809.44 and 130,750.08
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Solution
The fourth proportional to 317,879.52, 476,809.44 and 130,750.08 is: 196,121.07
Step by Step Solution
- Step 1: Write the proportion equation
317,879.52 : 476,809.44 = 130,750.08 : x - Step 2: Convert to fraction form
317,879.52/476,809.44 = 130,750.08/x - Step 3: Cross multiply
317,879.52x = 476,809.44 × 130,750.08 - Step 4: Simplify right side
317,879.52x = 62,342,872,424.76 - Step 5: Solve for x
x = 62,342,872,424.76/317,879.52 - Step 6: Final answer
x = 196,121.07
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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.