Finding the Fourth Proportional to 141,868.04, 212,778.63 and 57,624.80
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Solution
The fourth proportional to 141,868.04, 212,778.63 and 57,624.80 is: 86,427.68
Step by Step Solution
- Step 1: Write the proportion equation
141,868.04 : 212,778.63 = 57,624.80 : x - Step 2: Convert to fraction form
141,868.04/212,778.63 = 57,624.80/x - Step 3: Cross multiply
141,868.04x = 212,778.63 × 57,624.80 - Step 4: Simplify right side
141,868.04x = 12,261,324,934.13 - Step 5: Solve for x
x = 12,261,324,934.13/141,868.04 - Step 6: Final answer
x = 86,427.68
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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.