Finding the Fourth Proportional to 295,315.11, 442,775.84 and 143,471.70
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Solution
The fourth proportional to 295,315.11, 442,775.84 and 143,471.70 is: 215,111.92
Step by Step Solution
- Step 1: Write the proportion equation
295,315.11 : 442,775.84 = 143,471.70 : x - Step 2: Convert to fraction form
295,315.11/442,775.84 = 143,471.70/x - Step 3: Cross multiply
295,315.11x = 442,775.84 × 143,471.70 - Step 4: Simplify right side
295,315.11x = 63,525,801,766.37 - Step 5: Solve for x
x = 63,525,801,766.37/295,315.11 - Step 6: Final answer
x = 215,111.92
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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.