Finding the Fourth Proportional to 140,958.99, 211,439.20 and 35,777.99
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Solution
The fourth proportional to 140,958.99, 211,439.20 and 35,777.99 is: 53,667.17
Step by Step Solution
- Step 1: Write the proportion equation
140,958.99 : 211,439.20 = 35,777.99 : x - Step 2: Convert to fraction form
140,958.99/211,439.20 = 35,777.99/x - Step 3: Cross multiply
140,958.99x = 211,439.20 × 35,777.99 - Step 4: Simplify right side
140,958.99x = 7,564,869,932.92 - Step 5: Solve for x
x = 7,564,869,932.92/140,958.99 - Step 6: Final answer
x = 53,667.17
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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.