Finding the Fourth Proportional to 258,216.24, 386,974.08 and 124,830.84
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Solution
The fourth proportional to 258,216.24, 386,974.08 and 124,830.84 is: 187,076.92
Step by Step Solution
- Step 1: Write the proportion equation
258,216.24 : 386,974.08 = 124,830.84 : x - Step 2: Convert to fraction form
258,216.24/386,974.08 = 124,830.84/x - Step 3: Cross multiply
258,216.24x = 386,974.08 × 124,830.84 - Step 4: Simplify right side
258,216.24x = 48,306,299,464.63 - Step 5: Solve for x
x = 48,306,299,464.63/258,216.24 - Step 6: Final answer
x = 187,076.92
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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.