Finding the Fourth Proportional to 178,077.04, 245,736.88 and 97,489.12
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Solution
The fourth proportional to 178,077.04, 245,736.88 and 97,489.12 is: 134,529.82
Step by Step Solution
- Step 1: Write the proportion equation
178,077.04 : 245,736.88 = 97,489.12 : x - Step 2: Convert to fraction form
178,077.04/245,736.88 = 97,489.12/x - Step 3: Cross multiply
178,077.04x = 245,736.88 × 97,489.12 - Step 4: Simplify right side
178,077.04x = 23,956,672,182.75 - Step 5: Solve for x
x = 23,956,672,182.75/178,077.04 - Step 6: Final answer
x = 134,529.82
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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.