Finding the Fourth Proportional to 232,920.06, 321,441.08 and 130,977.62
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Solution
The fourth proportional to 232,920.06, 321,441.08 and 130,977.62 is: 180,755.51
Step by Step Solution
- Step 1: Write the proportion equation
232,920.06 : 321,441.08 = 130,977.62 : x - Step 2: Convert to fraction form
232,920.06/321,441.08 = 130,977.62/x - Step 3: Cross multiply
232,920.06x = 321,441.08 × 130,977.62 - Step 4: Simplify right side
232,920.06x = 42,101,585,366.54 - Step 5: Solve for x
x = 42,101,585,366.54/232,920.06 - Step 6: Final answer
x = 180,755.51
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1.5x scale
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.