Finding the Fourth Proportional to 415,393.28, 573,242.40 and 224,406.64
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Solution
The fourth proportional to 415,393.28, 573,242.40 and 224,406.64 is: 309,680.99
Step by Step Solution
- Step 1: Write the proportion equation
415,393.28 : 573,242.40 = 224,406.64 : x - Step 2: Convert to fraction form
415,393.28/573,242.40 = 224,406.64/x - Step 3: Cross multiply
415,393.28x = 573,242.40 × 224,406.64 - Step 4: Simplify right side
415,393.28x = 128,639,400,889.54 - Step 5: Solve for x
x = 128,639,400,889.54/415,393.28 - Step 6: Final answer
x = 309,680.99
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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.