Finding the Fourth Proportional to 252,437.11, 378,652.65 and 72,526.96
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Solution
The fourth proportional to 252,437.11, 378,652.65 and 72,526.96 is: 108,789.58
Step by Step Solution
- Step 1: Write the proportion equation
252,437.11 : 378,652.65 = 72,526.96 : x - Step 2: Convert to fraction form
252,437.11/378,652.65 = 72,526.96/x - Step 3: Cross multiply
252,437.11x = 378,652.65 × 72,526.96 - Step 4: Simplify right side
252,437.11x = 27,462,525,801.78 - Step 5: Solve for x
x = 27,462,525,801.78/252,437.11 - Step 6: Final answer
x = 108,789.58
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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.