Finding the Fourth Proportional to 143,909.99, 215,865.51 and 44,069.78
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Solution
The fourth proportional to 143,909.99, 215,865.51 and 44,069.78 is: 66,104.83
Step by Step Solution
- Step 1: Write the proportion equation
143,909.99 : 215,865.51 = 44,069.78 : x - Step 2: Convert to fraction form
143,909.99/215,865.51 = 44,069.78/x - Step 3: Cross multiply
143,909.99x = 215,865.51 × 44,069.78 - Step 4: Simplify right side
143,909.99x = 9,513,145,535.29 - Step 5: Solve for x
x = 9,513,145,535.29/143,909.99 - Step 6: Final answer
x = 66,104.83
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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.