Finding the Fourth Proportional to 302,453.20, 453,679.80 and 202,920.40
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Solution
The fourth proportional to 302,453.20, 453,679.80 and 202,920.40 is: 304,380.60
Step by Step Solution
- Step 1: Write the proportion equation
302,453.20 : 453,679.80 = 202,920.40 : x - Step 2: Convert to fraction form
302,453.20/453,679.80 = 202,920.40/x - Step 3: Cross multiply
302,453.20x = 453,679.80 × 202,920.40 - Step 4: Simplify right side
302,453.20x = 92,060,886,487.92 - Step 5: Solve for x
x = 92,060,886,487.92/302,453.20 - Step 6: Final answer
x = 304,380.60
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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.