Finding the Fourth Proportional to 338,831.29, 467,538.85 and 202,832.70
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Solution
The fourth proportional to 338,831.29, 467,538.85 and 202,832.70 is: 279,880.19
Step by Step Solution
- Step 1: Write the proportion equation
338,831.29 : 467,538.85 = 202,832.70 : x - Step 2: Convert to fraction form
338,831.29/467,538.85 = 202,832.70/x - Step 3: Cross multiply
338,831.29x = 467,538.85 × 202,832.70 - Step 4: Simplify right side
338,831.29x = 94,832,167,300.40 - Step 5: Solve for x
x = 94,832,167,300.40/338,831.29 - Step 6: Final answer
x = 279,880.19
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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.