Finding the Fourth Proportional to 302,405.80, 453,608.70 and 154,949.80
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Solution
The fourth proportional to 302,405.80, 453,608.70 and 154,949.80 is: 232,424.70
Step by Step Solution
- Step 1: Write the proportion equation
302,405.80 : 453,608.70 = 154,949.80 : x - Step 2: Convert to fraction form
302,405.80/453,608.70 = 154,949.80/x - Step 3: Cross multiply
302,405.80x = 453,608.70 × 154,949.80 - Step 4: Simplify right side
302,405.80x = 70,286,577,343.26 - Step 5: Solve for x
x = 70,286,577,343.26/302,405.80 - Step 6: Final answer
x = 232,424.70
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1.5x scale
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.