Finding the Fourth Proportional to 135,153.23, 202,758.47 and 40,390.79
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Solution
The fourth proportional to 135,153.23, 202,758.47 and 40,390.79 is: 60,594.74
Step by Step Solution
- Step 1: Write the proportion equation
135,153.23 : 202,758.47 = 40,390.79 : x - Step 2: Convert to fraction form
135,153.23/202,758.47 = 40,390.79/x - Step 3: Cross multiply
135,153.23x = 202,758.47 × 40,390.79 - Step 4: Simplify right side
135,153.23x = 8,189,574,580.54 - Step 5: Solve for x
x = 8,189,574,580.54/135,153.23 - Step 6: Final answer
x = 60,594.74
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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.