Finding the Fourth Proportional to 144,641.34, 217,102.14 and 69,814.08
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Solution
The fourth proportional to 144,641.34, 217,102.14 and 69,814.08 is: 104,788.76
Step by Step Solution
- Step 1: Write the proportion equation
144,641.34 : 217,102.14 = 69,814.08 : x - Step 2: Convert to fraction form
144,641.34/217,102.14 = 69,814.08/x - Step 3: Cross multiply
144,641.34x = 217,102.14 × 69,814.08 - Step 4: Simplify right side
144,641.34x = 15,156,786,170.13 - Step 5: Solve for x
x = 15,156,786,170.13/144,641.34 - Step 6: Final answer
x = 104,788.76
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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.