Finding the Fourth Proportional to 232,645.57, 321,028.21 and 130,647.84
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Solution
The fourth proportional to 232,645.57, 321,028.21 and 130,647.84 is: 180,281.28
Step by Step Solution
- Step 1: Write the proportion equation
232,645.57 : 321,028.21 = 130,647.84 : x - Step 2: Convert to fraction form
232,645.57/321,028.21 = 130,647.84/x - Step 3: Cross multiply
232,645.57x = 321,028.21 × 130,647.84 - Step 4: Simplify right side
232,645.57x = 41,941,641,175.02 - Step 5: Solve for x
x = 41,941,641,175.02/232,645.57 - Step 6: Final answer
x = 180,281.28
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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.