Finding the Fourth Proportional to 212,240.98, 317,960.36 and 125,427.86
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Solution
The fourth proportional to 212,240.98, 317,960.36 and 125,427.86 is: 187,904.75
Step by Step Solution
- Step 1: Write the proportion equation
212,240.98 : 317,960.36 = 125,427.86 : x - Step 2: Convert to fraction form
212,240.98/317,960.36 = 125,427.86/x - Step 3: Cross multiply
212,240.98x = 317,960.36 × 125,427.86 - Step 4: Simplify right side
212,240.98x = 39,881,087,519.63 - Step 5: Solve for x
x = 39,881,087,519.63/212,240.98 - Step 6: Final answer
x = 187,904.75
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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.