Finding the Fourth Proportional to 295,743.14, 408,128.12 and 166,656.88
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Solution
The fourth proportional to 295,743.14, 408,128.12 and 166,656.88 is: 229,987.95
Step by Step Solution
- Step 1: Write the proportion equation
295,743.14 : 408,128.12 = 166,656.88 : x - Step 2: Convert to fraction form
295,743.14/408,128.12 = 166,656.88/x - Step 3: Cross multiply
295,743.14x = 408,128.12 × 166,656.88 - Step 4: Simplify right side
295,743.14x = 68,017,359,119.47 - Step 5: Solve for x
x = 68,017,359,119.47/295,743.14 - Step 6: Final answer
x = 229,987.95
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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.