Finding the Fourth Proportional to 135,973.99, 203,960.13 and 52,867.99
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Solution
The fourth proportional to 135,973.99, 203,960.13 and 52,867.99 is: 79,301.65
Step by Step Solution
- Step 1: Write the proportion equation
135,973.99 : 203,960.13 = 52,867.99 : x - Step 2: Convert to fraction form
135,973.99/203,960.13 = 52,867.99/x - Step 3: Cross multiply
135,973.99x = 203,960.13 × 52,867.99 - Step 4: Simplify right side
135,973.99x = 10,782,962,113.24 - Step 5: Solve for x
x = 10,782,962,113.24/135,973.99 - Step 6: Final answer
x = 79,301.65
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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.