Finding the Fourth Proportional to 415,217.68, 573,000.39 and 224,231.05
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Solution
The fourth proportional to 415,217.68, 573,000.39 and 224,231.05 is: 309,438.84
Step by Step Solution
- Step 1: Write the proportion equation
415,217.68 : 573,000.39 = 224,231.05 : x - Step 2: Convert to fraction form
415,217.68/573,000.39 = 224,231.05/x - Step 3: Cross multiply
415,217.68x = 573,000.39 × 224,231.05 - Step 4: Simplify right side
415,217.68x = 128,484,479,100.11 - Step 5: Solve for x
x = 128,484,479,100.11/415,217.68 - Step 6: Final answer
x = 309,438.84
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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.