Finding the Fourth Proportional to 201,875.95, 302,860.78 and 68,757.36
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Solution
The fourth proportional to 201,875.95, 302,860.78 and 68,757.36 is: 103,151.99
Step by Step Solution
- Step 1: Write the proportion equation
201,875.95 : 302,860.78 = 68,757.36 : x - Step 2: Convert to fraction form
201,875.95/302,860.78 = 68,757.36/x - Step 3: Cross multiply
201,875.95x = 302,860.78 × 68,757.36 - Step 4: Simplify right side
201,875.95x = 20,823,906,372.72 - Step 5: Solve for x
x = 20,823,906,372.72/201,875.95 - Step 6: Final answer
x = 103,151.99
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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.