Finding the Fourth Proportional to 201,587.70, 278,204.04 and 133,486.14
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Solution
The fourth proportional to 201,587.70, 278,204.04 and 133,486.14 is: 184,219.49
Step by Step Solution
- Step 1: Write the proportion equation
201,587.70 : 278,204.04 = 133,486.14 : x - Step 2: Convert to fraction form
201,587.70/278,204.04 = 133,486.14/x - Step 3: Cross multiply
201,587.70x = 278,204.04 × 133,486.14 - Step 4: Simplify right side
201,587.70x = 37,136,383,432.01 - Step 5: Solve for x
x = 37,136,383,432.01/201,587.70 - Step 6: Final answer
x = 184,219.49
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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.