Finding the Fourth Proportional to 158,523.96, 218,785.41 and 98,113.98
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Solution
The fourth proportional to 158,523.96, 218,785.41 and 98,113.98 is: 135,411.12
Step by Step Solution
- Step 1: Write the proportion equation
158,523.96 : 218,785.41 = 98,113.98 : x - Step 2: Convert to fraction form
158,523.96/218,785.41 = 98,113.98/x - Step 3: Cross multiply
158,523.96x = 218,785.41 × 98,113.98 - Step 4: Simplify right side
158,523.96x = 21,465,907,341.03 - Step 5: Solve for x
x = 21,465,907,341.03/158,523.96 - Step 6: Final answer
x = 135,411.12
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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.