Finding the Fourth Proportional to 168,634.83, 232,609.04 and 128,260.08
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Solution
The fourth proportional to 168,634.83, 232,609.04 and 128,260.08 is: 176,917.51
Step by Step Solution
- Step 1: Write the proportion equation
168,634.83 : 232,609.04 = 128,260.08 : x - Step 2: Convert to fraction form
168,634.83/232,609.04 = 128,260.08/x - Step 3: Cross multiply
168,634.83x = 232,609.04 × 128,260.08 - Step 4: Simplify right side
168,634.83x = 29,834,453,437.82 - Step 5: Solve for x
x = 29,834,453,437.82/168,634.83 - Step 6: Final answer
x = 176,917.51
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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.