Finding the Fourth Proportional to 252,146.58, 378,247.55 and 125,818.62
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Solution
The fourth proportional to 252,146.58, 378,247.55 and 125,818.62 is: 188,741.74
Step by Step Solution
- Step 1: Write the proportion equation
252,146.58 : 378,247.55 = 125,818.62 : x - Step 2: Convert to fraction form
252,146.58/378,247.55 = 125,818.62/x - Step 3: Cross multiply
252,146.58x = 378,247.55 × 125,818.62 - Step 4: Simplify right side
252,146.58x = 47,590,584,130.29 - Step 5: Solve for x
x = 47,590,584,130.29/252,146.58 - Step 6: Final answer
x = 188,741.74
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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.