Finding the Fourth Proportional to 366,415.08, 549,623.86 and 129,764.68
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Solution
The fourth proportional to 366,415.08, 549,623.86 and 129,764.68 is: 194,647.46
Step by Step Solution
- Step 1: Write the proportion equation
366,415.08 : 549,623.86 = 129,764.68 : x - Step 2: Convert to fraction form
366,415.08/549,623.86 = 129,764.68/x - Step 3: Cross multiply
366,415.08x = 549,623.86 × 129,764.68 - Step 4: Simplify right side
366,415.08x = 71,321,764,313.26 - Step 5: Solve for x
x = 71,321,764,313.26/366,415.08 - Step 6: Final answer
x = 194,647.46
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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.