Finding the Fourth Proportional to 189,848.17, 284,684.60 and 69,874.99
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Solution
The fourth proportional to 189,848.17, 284,684.60 and 69,874.99 is: 104,780.22
Step by Step Solution
- Step 1: Write the proportion equation
189,848.17 : 284,684.60 = 69,874.99 : x - Step 2: Convert to fraction form
189,848.17/284,684.60 = 69,874.99/x - Step 3: Cross multiply
189,848.17x = 284,684.60 × 69,874.99 - Step 4: Simplify right side
189,848.17x = 19,892,333,041.13 - Step 5: Solve for x
x = 19,892,333,041.13/189,848.17 - Step 6: Final answer
x = 104,780.22
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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.