Finding the Fourth Proportional to 189,374.36, 284,040.55 and 67,790.08
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Solution
The fourth proportional to 189,374.36, 284,040.55 and 67,790.08 is: 101,677.61
Step by Step Solution
- Step 1: Write the proportion equation
189,374.36 : 284,040.55 = 67,790.08 : x - Step 2: Convert to fraction form
189,374.36/284,040.55 = 67,790.08/x - Step 3: Cross multiply
189,374.36x = 284,040.55 × 67,790.08 - Step 4: Simplify right side
189,374.36x = 19,255,131,607.74 - Step 5: Solve for x
x = 19,255,131,607.74/189,374.36 - Step 6: Final answer
x = 101,677.61
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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.