Finding the Fourth Proportional to 152,230.23, 210,078.09 and 84,251.88
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Solution
The fourth proportional to 152,230.23, 210,078.09 and 84,251.88 is: 116,267.80
Step by Step Solution
- Step 1: Write the proportion equation
152,230.23 : 210,078.09 = 84,251.88 : x - Step 2: Convert to fraction form
152,230.23/210,078.09 = 84,251.88/x - Step 3: Cross multiply
152,230.23x = 210,078.09 × 84,251.88 - Step 4: Simplify right side
152,230.23x = 17,699,474,029.31 - Step 5: Solve for x
x = 17,699,474,029.31/152,230.23 - Step 6: Final answer
x = 116,267.80
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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.