Finding the Fourth Proportional to 258,551.84, 387,551.04 and 125,249.12
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Solution
The fourth proportional to 258,551.84, 387,551.04 and 125,249.12 is: 187,739.63
Step by Step Solution
- Step 1: Write the proportion equation
258,551.84 : 387,551.04 = 125,249.12 : x - Step 2: Convert to fraction form
258,551.84/387,551.04 = 125,249.12/x - Step 3: Cross multiply
258,551.84x = 387,551.04 × 125,249.12 - Step 4: Simplify right side
258,551.84x = 48,540,426,715.08 - Step 5: Solve for x
x = 48,540,426,715.08/258,551.84 - Step 6: Final answer
x = 187,739.63
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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.