Finding the Fourth Proportional to 213,213.35, 294,239.01 and 117,726.08
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Solution
The fourth proportional to 213,213.35, 294,239.01 and 117,726.08 is: 162,464.52
Step by Step Solution
- Step 1: Write the proportion equation
213,213.35 : 294,239.01 = 117,726.08 : x - Step 2: Convert to fraction form
213,213.35/294,239.01 = 117,726.08/x - Step 3: Cross multiply
213,213.35x = 294,239.01 × 117,726.08 - Step 4: Simplify right side
213,213.35x = 34,639,605,230.38 - Step 5: Solve for x
x = 34,639,605,230.38/213,213.35 - Step 6: Final answer
x = 162,464.52
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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.