Finding the Fourth Proportional to 451,415.08, 622,997.36 and 257,851.71
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Solution
The fourth proportional to 451,415.08, 622,997.36 and 257,851.71 is: 355,860.81
Step by Step Solution
- Step 1: Write the proportion equation
451,415.08 : 622,997.36 = 257,851.71 : x - Step 2: Convert to fraction form
451,415.08/622,997.36 = 257,851.71/x - Step 3: Cross multiply
451,415.08x = 622,997.36 × 257,851.71 - Step 4: Simplify right side
451,415.08x = 160,640,934,601.49 - Step 5: Solve for x
x = 160,640,934,601.49/451,415.08 - Step 6: Final answer
x = 355,860.81
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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.