Finding the Fourth Proportional to 168,203.80, 252,656.70 and 141,959.80
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Solution
The fourth proportional to 168,203.80, 252,656.70 and 141,959.80 is: 213,235.94
Step by Step Solution
- Step 1: Write the proportion equation
168,203.80 : 252,656.70 = 141,959.80 : x - Step 2: Convert to fraction form
168,203.80/252,656.70 = 141,959.80/x - Step 3: Cross multiply
168,203.80x = 252,656.70 × 141,959.80 - Step 4: Simplify right side
168,203.80x = 35,867,094,600.66 - Step 5: Solve for x
x = 35,867,094,600.66/168,203.80 - Step 6: Final answer
x = 213,235.94
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1.5x scale
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.