Finding the Fourth Proportional to 252,538.45, 378,541.36 and 84,013.63
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Solution
The fourth proportional to 252,538.45, 378,541.36 and 84,013.63 is: 125,931.85
Step by Step Solution
- Step 1: Write the proportion equation
252,538.45 : 378,541.36 = 84,013.63 : x - Step 2: Convert to fraction form
252,538.45/378,541.36 = 84,013.63/x - Step 3: Cross multiply
252,538.45x = 378,541.36 × 84,013.63 - Step 4: Simplify right side
252,538.45x = 31,802,633,758.74 - Step 5: Solve for x
x = 31,802,633,758.74/252,538.45 - Step 6: Final answer
x = 125,931.85
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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.