Finding the Fourth Proportional to 135,390.16, 203,216.48 and 65,318.68
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Solution
The fourth proportional to 135,390.16, 203,216.48 and 65,318.68 is: 98,041.34
Step by Step Solution
- Step 1: Write the proportion equation
135,390.16 : 203,216.48 = 65,318.68 : x - Step 2: Convert to fraction form
135,390.16/203,216.48 = 65,318.68/x - Step 3: Cross multiply
135,390.16x = 203,216.48 × 65,318.68 - Step 4: Simplify right side
135,390.16x = 13,273,832,227.85 - Step 5: Solve for x
x = 13,273,832,227.85/135,390.16 - Step 6: Final answer
x = 98,041.34
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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.