Finding the Fourth Proportional to 178,987.18, 268,313.10 and 60,575.62
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Solution
The fourth proportional to 178,987.18, 268,313.10 and 60,575.62 is: 90,806.68
Step by Step Solution
- Step 1: Write the proportion equation
178,987.18 : 268,313.10 = 60,575.62 : x - Step 2: Convert to fraction form
178,987.18/268,313.10 = 60,575.62/x - Step 3: Cross multiply
178,987.18x = 268,313.10 × 60,575.62 - Step 4: Simplify right side
178,987.18x = 16,253,232,386.62 - Step 5: Solve for x
x = 16,253,232,386.62/178,987.18 - Step 6: Final answer
x = 90,806.68
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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.