Finding the Fourth Proportional to 353,232.51, 487,473.69 and 202,358.67
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Solution
The fourth proportional to 353,232.51, 487,473.69 and 202,358.67 is: 279,262.31
Step by Step Solution
- Step 1: Write the proportion equation
353,232.51 : 487,473.69 = 202,358.67 : x - Step 2: Convert to fraction form
353,232.51/487,473.69 = 202,358.67/x - Step 3: Cross multiply
353,232.51x = 487,473.69 × 202,358.67 - Step 4: Simplify right side
353,232.51x = 98,644,527,568.39 - Step 5: Solve for x
x = 98,644,527,568.39/353,232.51 - Step 6: Final answer
x = 279,262.31
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1.5x scale
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.