Finding the Fourth Proportional to 201,646.40, 302,688.30 and 113,072.90
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Solution
The fourth proportional to 201,646.40, 302,688.30 and 113,072.90 is: 169,731.99
Step by Step Solution
- Step 1: Write the proportion equation
201,646.40 : 302,688.30 = 113,072.90 : x - Step 2: Convert to fraction form
201,646.40/302,688.30 = 113,072.90/x - Step 3: Cross multiply
201,646.40x = 302,688.30 × 113,072.90 - Step 4: Simplify right side
201,646.40x = 34,225,843,877.07 - Step 5: Solve for x
x = 34,225,843,877.07/201,646.40 - Step 6: Final answer
x = 169,731.99
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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.