Finding the Fourth Proportional to 304,492.80, 456,739.20 and 288,163.20
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Solution
The fourth proportional to 304,492.80, 456,739.20 and 288,163.20 is: 432,244.80
Step by Step Solution
- Step 1: Write the proportion equation
304,492.80 : 456,739.20 = 288,163.20 : x - Step 2: Convert to fraction form
304,492.80/456,739.20 = 288,163.20/x - Step 3: Cross multiply
304,492.80x = 456,739.20 × 288,163.20 - Step 4: Simplify right side
304,492.80x = 131,615,429,437.44 - Step 5: Solve for x
x = 131,615,429,437.44/304,492.80 - Step 6: Final answer
x = 432,244.80
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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.