Finding the Fourth Proportional to 236,581.13, 354,927.63 and 76,656.80
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Solution
The fourth proportional to 236,581.13, 354,927.63 and 76,656.80 is: 115,003.32
Step by Step Solution
- Step 1: Write the proportion equation
236,581.13 : 354,927.63 = 76,656.80 : x - Step 2: Convert to fraction form
236,581.13/354,927.63 = 76,656.80/x - Step 3: Cross multiply
236,581.13x = 354,927.63 × 76,656.80 - Step 4: Simplify right side
236,581.13x = 27,207,614,189.46 - Step 5: Solve for x
x = 27,207,614,189.46/236,581.13 - Step 6: Final answer
x = 115,003.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.