Finding the Fourth Proportional to 211,904.65, 292,427.01 and 115,107.63
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Solution
The fourth proportional to 211,904.65, 292,427.01 and 115,107.63 is: 158,847.77
Step by Step Solution
- Step 1: Write the proportion equation
211,904.65 : 292,427.01 = 115,107.63 : x - Step 2: Convert to fraction form
211,904.65/292,427.01 = 115,107.63/x - Step 3: Cross multiply
211,904.65x = 292,427.01 × 115,107.63 - Step 4: Simplify right side
211,904.65x = 33,660,580,069.09 - Step 5: Solve for x
x = 33,660,580,069.09/211,904.65 - Step 6: Final answer
x = 158,847.77
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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.