Finding the Fourth Proportional to 135,520.19, 203,280.74 and 34,318.19
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Solution
The fourth proportional to 135,520.19, 203,280.74 and 34,318.19 is: 51,477.40
Step by Step Solution
- Step 1: Write the proportion equation
135,520.19 : 203,280.74 = 34,318.19 : x - Step 2: Convert to fraction form
135,520.19/203,280.74 = 34,318.19/x - Step 3: Cross multiply
135,520.19x = 203,280.74 × 34,318.19 - Step 4: Simplify right side
135,520.19x = 6,976,226,632.97 - Step 5: Solve for x
x = 6,976,226,632.97/135,520.19 - Step 6: Final answer
x = 51,477.40
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1.5x scale
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.