Finding the Fourth Proportional to 199,593.80, 299,390.70 and 88,785.80
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Solution
The fourth proportional to 199,593.80, 299,390.70 and 88,785.80 is: 133,178.70
Step by Step Solution
- Step 1: Write the proportion equation
199,593.80 : 299,390.70 = 88,785.80 : x - Step 2: Convert to fraction form
199,593.80/299,390.70 = 88,785.80/x - Step 3: Cross multiply
199,593.80x = 299,390.70 × 88,785.80 - Step 4: Simplify right side
199,593.80x = 26,581,642,812.06 - Step 5: Solve for x
x = 26,581,642,812.06/199,593.80 - Step 6: Final answer
x = 133,178.70
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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.