Finding the Fourth Proportional to 196,977.36, 295,466.04 and 91,869.84
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Solution
The fourth proportional to 196,977.36, 295,466.04 and 91,869.84 is: 137,804.76
Step by Step Solution
- Step 1: Write the proportion equation
196,977.36 : 295,466.04 = 91,869.84 : x - Step 2: Convert to fraction form
196,977.36/295,466.04 = 91,869.84/x - Step 3: Cross multiply
196,977.36x = 295,466.04 × 91,869.84 - Step 4: Simplify right side
196,977.36x = 27,144,417,820.23 - Step 5: Solve for x
x = 27,144,417,820.23/196,977.36 - Step 6: Final answer
x = 137,804.76
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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.