Finding the Fourth Proportional to 212,455.74, 293,190.88 and 116,964.02
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Solution
The fourth proportional to 212,455.74, 293,190.88 and 116,964.02 is: 161,411.43
Step by Step Solution
- Step 1: Write the proportion equation
212,455.74 : 293,190.88 = 116,964.02 : x - Step 2: Convert to fraction form
212,455.74/293,190.88 = 116,964.02/x - Step 3: Cross multiply
212,455.74x = 293,190.88 × 116,964.02 - Step 4: Simplify right side
212,455.74x = 34,292,783,952.14 - Step 5: Solve for x
x = 34,292,783,952.14/212,455.74 - Step 6: Final answer
x = 161,411.43
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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.