Finding the Fourth Proportional to 178,912.47, 246,899.84 and 98,346.99
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Solution
The fourth proportional to 178,912.47, 246,899.84 and 98,346.99 is: 135,719.19
Step by Step Solution
- Step 1: Write the proportion equation
178,912.47 : 246,899.84 = 98,346.99 : x - Step 2: Convert to fraction form
178,912.47/246,899.84 = 98,346.99/x - Step 3: Cross multiply
178,912.47x = 246,899.84 × 98,346.99 - Step 4: Simplify right side
178,912.47x = 24,281,855,603.75 - Step 5: Solve for x
x = 24,281,855,603.75/178,912.47 - Step 6: Final answer
x = 135,719.19
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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.