Finding the Fourth Proportional to 234,139.98, 323,113.14 and 126,709.98
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Solution
The fourth proportional to 234,139.98, 323,113.14 and 126,709.98 is: 174,859.75
Step by Step Solution
- Step 1: Write the proportion equation
234,139.98 : 323,113.14 = 126,709.98 : x - Step 2: Convert to fraction form
234,139.98/323,113.14 = 126,709.98/x - Step 3: Cross multiply
234,139.98x = 323,113.14 × 126,709.98 - Step 4: Simplify right side
234,139.98x = 40,941,659,507.14 - Step 5: Solve for x
x = 40,941,659,507.14/234,139.98 - Step 6: Final answer
x = 174,859.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.