Finding the Fourth Proportional to 196,655.75, 294,983.96 and 84,263.12
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Solution
The fourth proportional to 196,655.75, 294,983.96 and 84,263.12 is: 126,394.82
Step by Step Solution
- Step 1: Write the proportion equation
196,655.75 : 294,983.96 = 84,263.12 : x - Step 2: Convert to fraction form
196,655.75/294,983.96 = 84,263.12/x - Step 3: Cross multiply
196,655.75x = 294,983.96 × 84,263.12 - Step 4: Simplify right side
196,655.75x = 24,856,266,923.32 - Step 5: Solve for x
x = 24,856,266,923.32/196,655.75 - Step 6: Final answer
x = 126,394.82
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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.