Finding the Fourth Proportional to 117,576.99, 162,257.43 and 63,863.05
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Solution
The fourth proportional to 117,576.99, 162,257.43 and 63,863.05 is: 88,131.66
Step by Step Solution
- Step 1: Write the proportion equation
117,576.99 : 162,257.43 = 63,863.05 : x - Step 2: Convert to fraction form
117,576.99/162,257.43 = 63,863.05/x - Step 3: Cross multiply
117,576.99x = 162,257.43 × 63,863.05 - Step 4: Simplify right side
117,576.99x = 10,362,254,364.96 - Step 5: Solve for x
x = 10,362,254,364.96/117,576.99 - Step 6: Final answer
x = 88,131.66
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1.5x scale
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.