Finding the Fourth Proportional to 170,450.19, 235,222.90 and 93,972.08
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Solution
The fourth proportional to 170,450.19, 235,222.90 and 93,972.08 is: 129,682.38
Step by Step Solution
- Step 1: Write the proportion equation
170,450.19 : 235,222.90 = 93,972.08 : x - Step 2: Convert to fraction form
170,450.19/235,222.90 = 93,972.08/x - Step 3: Cross multiply
170,450.19x = 235,222.90 × 93,972.08 - Step 4: Simplify right side
170,450.19x = 22,104,385,529.76 - Step 5: Solve for x
x = 22,104,385,529.76/170,450.19 - Step 6: Final answer
x = 129,682.38
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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.