Finding the Fourth Proportional to 258,222.24, 386,983.08 and 124,836.84
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Solution
The fourth proportional to 258,222.24, 386,983.08 and 124,836.84 is: 187,085.92
Step by Step Solution
- Step 1: Write the proportion equation
258,222.24 : 386,983.08 = 124,836.84 : x - Step 2: Convert to fraction form
258,222.24/386,983.08 = 124,836.84/x - Step 3: Cross multiply
258,222.24x = 386,983.08 × 124,836.84 - Step 4: Simplify right side
258,222.24x = 48,309,744,840.67 - Step 5: Solve for x
x = 48,309,744,840.67/258,222.24 - Step 6: Final answer
x = 187,085.92
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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.