Finding the Fourth Proportional to 331,533.51, 497,303.73 and 265,394.09
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Solution
The fourth proportional to 331,533.51, 497,303.73 and 265,394.09 is: 398,093.91
Step by Step Solution
- Step 1: Write the proportion equation
331,533.51 : 497,303.73 = 265,394.09 : x - Step 2: Convert to fraction form
331,533.51/497,303.73 = 265,394.09/x - Step 3: Cross multiply
331,533.51x = 497,303.73 × 265,394.09 - Step 4: Simplify right side
331,533.51x = 131,981,470,876.96 - Step 5: Solve for x
x = 131,981,470,876.96/331,533.51 - Step 6: Final answer
x = 398,093.91
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1.5x scale
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.