Finding the Fourth Proportional to 133,142.68, 199,718.11 and 58,224.26
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Solution
The fourth proportional to 133,142.68, 199,718.11 and 58,224.26 is: 87,338.17
Step by Step Solution
- Step 1: Write the proportion equation
133,142.68 : 199,718.11 = 58,224.26 : x - Step 2: Convert to fraction form
133,142.68/199,718.11 = 58,224.26/x - Step 3: Cross multiply
133,142.68x = 199,718.11 × 58,224.26 - Step 4: Simplify right side
133,142.68x = 11,628,438,164.76 - Step 5: Solve for x
x = 11,628,438,164.76/133,142.68 - Step 6: Final answer
x = 87,338.17
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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.