Finding the Fourth Proportional to 178,878.92, 268,372.04 and 72,207.99
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Solution
The fourth proportional to 178,878.92, 268,372.04 and 72,207.99 is: 108,333.65
Step by Step Solution
- Step 1: Write the proportion equation
178,878.92 : 268,372.04 = 72,207.99 : x - Step 2: Convert to fraction form
178,878.92/268,372.04 = 72,207.99/x - Step 3: Cross multiply
178,878.92x = 268,372.04 × 72,207.99 - Step 4: Simplify right side
178,878.92x = 19,378,605,219.56 - Step 5: Solve for x
x = 19,378,605,219.56/178,878.92 - Step 6: Final answer
x = 108,333.65
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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.