Finding the Fourth Proportional to 144,487.35, 217,813.95 and 134,853.75
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Solution
The fourth proportional to 144,487.35, 217,813.95 and 134,853.75 is: 203,291.35
Step by Step Solution
- Step 1: Write the proportion equation
144,487.35 : 217,813.95 = 134,853.75 : x - Step 2: Convert to fraction form
144,487.35/217,813.95 = 134,853.75/x - Step 3: Cross multiply
144,487.35x = 217,813.95 × 134,853.75 - Step 4: Simplify right side
144,487.35x = 29,373,027,959.81 - Step 5: Solve for x
x = 29,373,027,959.81/144,487.35 - Step 6: Final answer
x = 203,291.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.