Finding the Fourth Proportional to 211,410.74, 316,494.02 and 141,115.70
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Solution
The fourth proportional to 211,410.74, 316,494.02 and 141,115.70 is: 211,258.31
Step by Step Solution
- Step 1: Write the proportion equation
211,410.74 : 316,494.02 = 141,115.70 : x - Step 2: Convert to fraction form
211,410.74/316,494.02 = 141,115.70/x - Step 3: Cross multiply
211,410.74x = 316,494.02 × 141,115.70 - Step 4: Simplify right side
211,410.74x = 44,662,275,178.11 - Step 5: Solve for x
x = 44,662,275,178.11/211,410.74 - Step 6: Final answer
x = 211,258.31
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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.