Finding the Fourth Proportional to 178,213.08, 245,933.88 and 97,645.68
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Solution
The fourth proportional to 178,213.08, 245,933.88 and 97,645.68 is: 134,750.95
Step by Step Solution
- Step 1: Write the proportion equation
178,213.08 : 245,933.88 = 97,645.68 : x - Step 2: Convert to fraction form
178,213.08/245,933.88 = 97,645.68/x - Step 3: Cross multiply
178,213.08x = 245,933.88 × 97,645.68 - Step 4: Simplify right side
178,213.08x = 24,014,380,947.64 - Step 5: Solve for x
x = 24,014,380,947.64/178,213.08 - Step 6: Final answer
x = 134,750.95
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1.5x scale
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.