Finding the Fourth Proportional to 236,088.68, 325,798.34 and 128,659.56
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Solution
The fourth proportional to 236,088.68, 325,798.34 and 128,659.56 is: 177,547.99
Step by Step Solution
- Step 1: Write the proportion equation
236,088.68 : 325,798.34 = 128,659.56 : x - Step 2: Convert to fraction form
236,088.68/325,798.34 = 128,659.56/x - Step 3: Cross multiply
236,088.68x = 325,798.34 × 128,659.56 - Step 4: Simplify right side
236,088.68x = 41,917,071,073.13 - Step 5: Solve for x
x = 41,917,071,073.13/236,088.68 - Step 6: Final answer
x = 177,547.99
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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.