Finding the Fourth Proportional to 201,637.98, 278,299.53 and 115,647.84
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Solution
The fourth proportional to 201,637.98, 278,299.53 and 115,647.84 is: 159,616.45
Step by Step Solution
- Step 1: Write the proportion equation
201,637.98 : 278,299.53 = 115,647.84 : x - Step 2: Convert to fraction form
201,637.98/278,299.53 = 115,647.84/x - Step 3: Cross multiply
201,637.98x = 278,299.53 × 115,647.84 - Step 4: Simplify right side
201,637.98x = 32,184,739,517.52 - Step 5: Solve for x
x = 32,184,739,517.52/201,637.98 - Step 6: Final answer
x = 159,616.45
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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.