Finding the Fourth Proportional to 341,799.20, 512,698.80 and 201,831.20
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Solution
The fourth proportional to 341,799.20, 512,698.80 and 201,831.20 is: 302,746.80
Step by Step Solution
- Step 1: Write the proportion equation
341,799.20 : 512,698.80 = 201,831.20 : x - Step 2: Convert to fraction form
341,799.20/512,698.80 = 201,831.20/x - Step 3: Cross multiply
341,799.20x = 512,698.80 × 201,831.20 - Step 4: Simplify right side
341,799.20x = 103,478,614,042.56 - Step 5: Solve for x
x = 103,478,614,042.56/341,799.20 - Step 6: Final answer
x = 302,746.80
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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.