Finding the Fourth Proportional to 351,750.25, 485,415.35 and 190,603.99
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Solution
The fourth proportional to 351,750.25, 485,415.35 and 190,603.99 is: 263,033.51
Step by Step Solution
- Step 1: Write the proportion equation
351,750.25 : 485,415.35 = 190,603.99 : x - Step 2: Convert to fraction form
351,750.25/485,415.35 = 190,603.99/x - Step 3: Cross multiply
351,750.25x = 485,415.35 × 190,603.99 - Step 4: Simplify right side
351,750.25x = 92,522,102,517.25 - Step 5: Solve for x
x = 92,522,102,517.25/351,750.25 - Step 6: Final answer
x = 263,033.51
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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.