Finding the Fourth Proportional to 178,236.87, 245,966.94 and 97,663.74
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Solution
The fourth proportional to 178,236.87, 245,966.94 and 97,663.74 is: 134,775.99
Step by Step Solution
- Step 1: Write the proportion equation
178,236.87 : 245,966.94 = 97,663.74 : x - Step 2: Convert to fraction form
178,236.87/245,966.94 = 97,663.74/x - Step 3: Cross multiply
178,236.87x = 245,966.94 × 97,663.74 - Step 4: Simplify right side
178,236.87x = 24,022,051,276.76 - Step 5: Solve for x
x = 24,022,051,276.76/178,236.87 - Step 6: Final answer
x = 134,775.99
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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.