Finding the Fourth Proportional to 286,707.08, 430,112.48 and 118,133.62
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Solution
The fourth proportional to 286,707.08, 430,112.48 and 118,133.62 is: 177,221.80
Step by Step Solution
- Step 1: Write the proportion equation
286,707.08 : 430,112.48 = 118,133.62 : x - Step 2: Convert to fraction form
286,707.08/430,112.48 = 118,133.62/x - Step 3: Cross multiply
286,707.08x = 430,112.48 × 118,133.62 - Step 4: Simplify right side
286,707.08x = 50,810,744,269.58 - Step 5: Solve for x
x = 50,810,744,269.58/286,707.08 - Step 6: Final answer
x = 177,221.80
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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.