Finding the Fourth Proportional to 395,607.84, 593,272.08 and 170,959.20
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Solution
The fourth proportional to 395,607.84, 593,272.08 and 170,959.20 is: 256,378.44
Step by Step Solution
- Step 1: Write the proportion equation
395,607.84 : 593,272.08 = 170,959.20 : x - Step 2: Convert to fraction form
395,607.84/593,272.08 = 170,959.20/x - Step 3: Cross multiply
395,607.84x = 593,272.08 × 170,959.20 - Step 4: Simplify right side
395,607.84x = 101,425,320,179.14 - Step 5: Solve for x
x = 101,425,320,179.14/395,607.84 - Step 6: Final answer
x = 256,378.44
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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.