Finding the Fourth Proportional to 415,246.69, 573,040.29 and 224,260.12
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Solution
The fourth proportional to 415,246.69, 573,040.29 and 224,260.12 is: 309,478.89
Step by Step Solution
- Step 1: Write the proportion equation
415,246.69 : 573,040.29 = 224,260.12 : x - Step 2: Convert to fraction form
415,246.69/573,040.29 = 224,260.12/x - Step 3: Cross multiply
415,246.69x = 573,040.29 × 224,260.12 - Step 4: Simplify right side
415,246.69x = 128,510,084,200.24 - Step 5: Solve for x
x = 128,510,084,200.24/415,246.69 - Step 6: Final answer
x = 309,478.89
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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.