Finding the Fourth Proportional to 366,409.36, 549,548.16 and 129,753.28
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Solution
The fourth proportional to 366,409.36, 549,548.16 and 129,753.28 is: 194,606.59
Step by Step Solution
- Step 1: Write the proportion equation
366,409.36 : 549,548.16 = 129,753.28 : x - Step 2: Convert to fraction form
366,409.36/549,548.16 = 129,753.28/x - Step 3: Cross multiply
366,409.36x = 549,548.16 × 129,753.28 - Step 4: Simplify right side
366,409.36x = 71,305,676,277.96 - Step 5: Solve for x
x = 71,305,676,277.96/366,409.36 - Step 6: Final answer
x = 194,606.59
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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.