Finding the Fourth Proportional to 178,157.20, 245,857.04 and 97,586.08
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Solution
The fourth proportional to 178,157.20, 245,857.04 and 97,586.08 is: 134,668.85
Step by Step Solution
- Step 1: Write the proportion equation
178,157.20 : 245,857.04 = 97,586.08 : x - Step 2: Convert to fraction form
178,157.20/245,857.04 = 97,586.08/x - Step 3: Cross multiply
178,157.20x = 245,857.04 × 97,586.08 - Step 4: Simplify right side
178,157.20x = 23,992,224,774.00 - Step 5: Solve for x
x = 23,992,224,774.00/178,157.20 - Step 6: Final answer
x = 134,668.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.