Finding the Fourth Proportional to 340,879.44, 471,263.88 and 255,848.88
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Solution
The fourth proportional to 340,879.44, 471,263.88 and 255,848.88 is: 353,709.62
Step by Step Solution
- Step 1: Write the proportion equation
340,879.44 : 471,263.88 = 255,848.88 : x - Step 2: Convert to fraction form
340,879.44/471,263.88 = 255,848.88/x - Step 3: Cross multiply
340,879.44x = 471,263.88 × 255,848.88 - Step 4: Simplify right side
340,879.44x = 120,572,335,882.45 - Step 5: Solve for x
x = 120,572,335,882.45/340,879.44 - Step 6: Final answer
x = 353,709.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.