Finding the Fourth Proportional to 98,338.68, 147,245.58 and 51,493.08
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Solution
The fourth proportional to 98,338.68, 147,245.58 and 51,493.08 is: 77,102.20
Step by Step Solution
- Step 1: Write the proportion equation
98,338.68 : 147,245.58 = 51,493.08 : x - Step 2: Convert to fraction form
98,338.68/147,245.58 = 51,493.08/x - Step 3: Cross multiply
98,338.68x = 147,245.58 × 51,493.08 - Step 4: Simplify right side
98,338.68x = 7,582,128,430.59 - Step 5: Solve for x
x = 7,582,128,430.59/98,338.68 - Step 6: Final answer
x = 77,102.20
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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.