Finding the Fourth Proportional to 286,159.30, 394,818.84 and 184,243.75
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Solution
The fourth proportional to 286,159.30, 394,818.84 and 184,243.75 is: 254,204.23
Step by Step Solution
- Step 1: Write the proportion equation
286,159.30 : 394,818.84 = 184,243.75 : x - Step 2: Convert to fraction form
286,159.30/394,818.84 = 184,243.75/x - Step 3: Cross multiply
286,159.30x = 394,818.84 × 184,243.75 - Step 4: Simplify right side
286,159.30x = 72,742,902,665.20 - Step 5: Solve for x
x = 72,742,902,665.20/286,159.30 - Step 6: Final answer
x = 254,204.23
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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.