Finding the Fourth Proportional to 196,634.01, 294,970.20 and 78,277.62
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Solution
The fourth proportional to 196,634.01, 294,970.20 and 78,277.62 is: 117,424.07
Step by Step Solution
- Step 1: Write the proportion equation
196,634.01 : 294,970.20 = 78,277.62 : x - Step 2: Convert to fraction form
196,634.01/294,970.20 = 78,277.62/x - Step 3: Cross multiply
196,634.01x = 294,970.20 × 78,277.62 - Step 4: Simplify right side
196,634.01x = 23,089,565,226.92 - Step 5: Solve for x
x = 23,089,565,226.92/196,634.01 - Step 6: Final answer
x = 117,424.07
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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.