Finding the Fourth Proportional to 201,870.80, 302,478.15 and 168,409.70
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Solution
The fourth proportional to 201,870.80, 302,478.15 and 168,409.70 is: 252,340.88
Step by Step Solution
- Step 1: Write the proportion equation
201,870.80 : 302,478.15 = 168,409.70 : x - Step 2: Convert to fraction form
201,870.80/302,478.15 = 168,409.70/x - Step 3: Cross multiply
201,870.80x = 302,478.15 × 168,409.70 - Step 4: Simplify right side
201,870.80x = 50,940,254,498.06 - Step 5: Solve for x
x = 50,940,254,498.06/201,870.80 - Step 6: Final answer
x = 252,340.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.