Finding the Fourth Proportional to 235,106.46, 324,450.68 and 133,129.17
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Solution
The fourth proportional to 235,106.46, 324,450.68 and 133,129.17 is: 183,720.38
Step by Step Solution
- Step 1: Write the proportion equation
235,106.46 : 324,450.68 = 133,129.17 : x - Step 2: Convert to fraction form
235,106.46/324,450.68 = 133,129.17/x - Step 3: Cross multiply
235,106.46x = 324,450.68 × 133,129.17 - Step 4: Simplify right side
235,106.46x = 43,193,849,068.69 - Step 5: Solve for x
x = 43,193,849,068.69/235,106.46 - Step 6: Final answer
x = 183,720.38
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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.