Finding the Fourth Proportional to 119,177.16, 164,464.49 and 65,463.09
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Solution
The fourth proportional to 119,177.16, 164,464.49 and 65,463.09 is: 90,339.07
Step by Step Solution
- Step 1: Write the proportion equation
119,177.16 : 164,464.49 = 65,463.09 : x - Step 2: Convert to fraction form
119,177.16/164,464.49 = 65,463.09/x - Step 3: Cross multiply
119,177.16x = 164,464.49 × 65,463.09 - Step 4: Simplify right side
119,177.16x = 10,766,353,257.59 - Step 5: Solve for x
x = 10,766,353,257.59/119,177.16 - Step 6: Final answer
x = 90,339.07
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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.