Finding the Fourth Proportional to 135,471.93, 203,217.21 and 40,698.15
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Solution
The fourth proportional to 135,471.93, 203,217.21 and 40,698.15 is: 61,050.02
Step by Step Solution
- Step 1: Write the proportion equation
135,471.93 : 203,217.21 = 40,698.15 : x - Step 2: Convert to fraction form
135,471.93/203,217.21 = 40,698.15/x - Step 3: Cross multiply
135,471.93x = 203,217.21 × 40,698.15 - Step 4: Simplify right side
135,471.93x = 8,270,564,495.16 - Step 5: Solve for x
x = 8,270,564,495.16/135,471.93 - Step 6: Final answer
x = 61,050.02
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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.