Finding the Fourth Proportional to 379,867.88, 524,379.08 and 236,698.68
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Solution
The fourth proportional to 379,867.88, 524,379.08 and 236,698.68 is: 326,744.75
Step by Step Solution
- Step 1: Write the proportion equation
379,867.88 : 524,379.08 = 236,698.68 : x - Step 2: Convert to fraction form
379,867.88/524,379.08 = 236,698.68/x - Step 3: Cross multiply
379,867.88x = 524,379.08 × 236,698.68 - Step 4: Simplify right side
379,867.88x = 124,119,836,055.61 - Step 5: Solve for x
x = 124,119,836,055.61/379,867.88 - Step 6: Final answer
x = 326,744.75
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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.