Finding the Fourth Proportional to 188,094.64, 259,575.36 and 103,211.68
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Solution
The fourth proportional to 188,094.64, 259,575.36 and 103,211.68 is: 142,434.73
Step by Step Solution
- Step 1: Write the proportion equation
188,094.64 : 259,575.36 = 103,211.68 : x - Step 2: Convert to fraction form
188,094.64/259,575.36 = 103,211.68/x - Step 3: Cross multiply
188,094.64x = 259,575.36 × 103,211.68 - Step 4: Simplify right side
188,094.64x = 26,791,208,992.20 - Step 5: Solve for x
x = 26,791,208,992.20/188,094.64 - Step 6: Final answer
x = 142,434.73
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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.