Finding the Fourth Proportional to 135,347.00, 186,735.92 and 78,747.44
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Solution
The fourth proportional to 135,347.00, 186,735.92 and 78,747.44 is: 108,646.48
Step by Step Solution
- Step 1: Write the proportion equation
135,347.00 : 186,735.92 = 78,747.44 : x - Step 2: Convert to fraction form
135,347.00/186,735.92 = 78,747.44/x - Step 3: Cross multiply
135,347.00x = 186,735.92 × 78,747.44 - Step 4: Simplify right side
135,347.00x = 14,704,974,328.63 - Step 5: Solve for x
x = 14,704,974,328.63/135,347.00 - Step 6: Final answer
x = 108,646.48
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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.