Finding the Fourth Proportional to 415,903.68, 573,270.12 and 325,099.44
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Solution
The fourth proportional to 415,903.68, 573,270.12 and 325,099.44 is: 448,108.07
Step by Step Solution
- Step 1: Write the proportion equation
415,903.68 : 573,270.12 = 325,099.44 : x - Step 2: Convert to fraction form
415,903.68/573,270.12 = 325,099.44/x - Step 3: Cross multiply
415,903.68x = 573,270.12 × 325,099.44 - Step 4: Simplify right side
415,903.68x = 186,369,794,980.73 - Step 5: Solve for x
x = 186,369,794,980.73/415,903.68 - Step 6: Final answer
x = 448,108.07
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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.