Finding the Fourth Proportional to 281,490.74, 422,058.71 and 238,811.08
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Solution
The fourth proportional to 281,490.74, 422,058.71 and 238,811.08 is: 358,066.12
Step by Step Solution
- Step 1: Write the proportion equation
281,490.74 : 422,058.71 = 238,811.08 : x - Step 2: Convert to fraction form
281,490.74/422,058.71 = 238,811.08/x - Step 3: Cross multiply
281,490.74x = 422,058.71 × 238,811.08 - Step 4: Simplify right side
281,490.74x = 100,792,295,900.39 - Step 5: Solve for x
x = 100,792,295,900.39/281,490.74 - Step 6: Final answer
x = 358,066.12
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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.