Finding the Fourth Proportional to 415,790.66, 573,790.62 and 224,803.60
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Solution
The fourth proportional to 415,790.66, 573,790.62 and 224,803.60 is: 310,228.70
Step by Step Solution
- Step 1: Write the proportion equation
415,790.66 : 573,790.62 = 224,803.60 : x - Step 2: Convert to fraction form
415,790.66/573,790.62 = 224,803.60/x - Step 3: Cross multiply
415,790.66x = 573,790.62 × 224,803.60 - Step 4: Simplify right side
415,790.66x = 128,990,197,022.23 - Step 5: Solve for x
x = 128,990,197,022.23/415,790.66 - Step 6: Final answer
x = 310,228.70
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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.