Finding the Fourth Proportional to 212,337.12, 293,037.36 and 121,708.19
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Solution
The fourth proportional to 212,337.12, 293,037.36 and 121,708.19 is: 167,964.26
Step by Step Solution
- Step 1: Write the proportion equation
212,337.12 : 293,037.36 = 121,708.19 : x - Step 2: Convert to fraction form
212,337.12/293,037.36 = 121,708.19/x - Step 3: Cross multiply
212,337.12x = 293,037.36 × 121,708.19 - Step 4: Simplify right side
212,337.12x = 35,665,046,964.17 - Step 5: Solve for x
x = 35,665,046,964.17/212,337.12 - Step 6: Final answer
x = 167,964.26
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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.