Finding the Fourth Proportional to 103,179.18, 154,812.56 and 56,377.38
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Solution
The fourth proportional to 103,179.18, 154,812.56 and 56,377.38 is: 84,589.99
Step by Step Solution
- Step 1: Write the proportion equation
103,179.18 : 154,812.56 = 56,377.38 : x - Step 2: Convert to fraction form
103,179.18/154,812.56 = 56,377.38/x - Step 3: Cross multiply
103,179.18x = 154,812.56 × 56,377.38 - Step 4: Simplify right side
103,179.18x = 8,727,926,242.01 - Step 5: Solve for x
x = 8,727,926,242.01/103,179.18 - Step 6: Final answer
x = 84,589.99
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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.