Finding the Fourth Proportional to 212,928.08, 293,854.20 and 117,434.96
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Solution
The fourth proportional to 212,928.08, 293,854.20 and 117,434.96 is: 162,067.66
Step by Step Solution
- Step 1: Write the proportion equation
212,928.08 : 293,854.20 = 117,434.96 : x - Step 2: Convert to fraction form
212,928.08/293,854.20 = 117,434.96/x - Step 3: Cross multiply
212,928.08x = 293,854.20 × 117,434.96 - Step 4: Simplify right side
212,928.08x = 34,508,756,222.83 - Step 5: Solve for x
x = 34,508,756,222.83/212,928.08 - Step 6: Final answer
x = 162,067.66
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1.5x scale
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.