Finding the Fourth Proportional to 154,762.52, 213,567.84 and 94,311.09
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Solution
The fourth proportional to 154,762.52, 213,567.84 and 94,311.09 is: 130,146.60
Step by Step Solution
- Step 1: Write the proportion equation
154,762.52 : 213,567.84 = 94,311.09 : x - Step 2: Convert to fraction form
154,762.52/213,567.84 = 94,311.09/x - Step 3: Cross multiply
154,762.52x = 213,567.84 × 94,311.09 - Step 4: Simplify right side
154,762.52x = 20,141,815,779.35 - Step 5: Solve for x
x = 20,141,815,779.35/154,762.52 - Step 6: Final answer
x = 130,146.60
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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.