Finding the Fourth Proportional to 194,686.44, 291,917.88 and 76,219.08
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Solution
The fourth proportional to 194,686.44, 291,917.88 and 76,219.08 is: 114,284.86
Step by Step Solution
- Step 1: Write the proportion equation
194,686.44 : 291,917.88 = 76,219.08 : x - Step 2: Convert to fraction form
194,686.44/291,917.88 = 76,219.08/x - Step 3: Cross multiply
194,686.44x = 291,917.88 × 76,219.08 - Step 4: Simplify right side
194,686.44x = 22,249,712,249.15 - Step 5: Solve for x
x = 22,249,712,249.15/194,686.44 - Step 6: Final answer
x = 114,284.86
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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.