Finding the Fourth Proportional to 366,228.88, 549,346.74 and 129,611.68
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Solution
The fourth proportional to 366,228.88, 549,346.74 and 129,611.68 is: 194,418.72
Step by Step Solution
- Step 1: Write the proportion equation
366,228.88 : 549,346.74 = 129,611.68 : x - Step 2: Convert to fraction form
366,228.88/549,346.74 = 129,611.68/x - Step 3: Cross multiply
366,228.88x = 549,346.74 × 129,611.68 - Step 4: Simplify right side
366,228.88x = 71,201,750,479.13 - Step 5: Solve for x
x = 71,201,750,479.13/366,228.88 - Step 6: Final answer
x = 194,418.72
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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.