Finding the Fourth Proportional to 306,580.10, 423,015.86 and 179,231.08
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Solution
The fourth proportional to 306,580.10, 423,015.86 and 179,231.08 is: 247,301.08
Step by Step Solution
- Step 1: Write the proportion equation
306,580.10 : 423,015.86 = 179,231.08 : x - Step 2: Convert to fraction form
306,580.10/423,015.86 = 179,231.08/x - Step 3: Cross multiply
306,580.10x = 423,015.86 × 179,231.08 - Step 4: Simplify right side
306,580.10x = 75,817,589,444.93 - Step 5: Solve for x
x = 75,817,589,444.93/306,580.10 - Step 6: Final answer
x = 247,301.08
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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.