Finding the Fourth Proportional to 274,419.65, 411,392.91 and 106,058.09
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Solution
The fourth proportional to 274,419.65, 411,392.91 and 106,058.09 is: 158,995.71
Step by Step Solution
- Step 1: Write the proportion equation
274,419.65 : 411,392.91 = 106,058.09 : x - Step 2: Convert to fraction form
274,419.65/411,392.91 = 106,058.09/x - Step 3: Cross multiply
274,419.65x = 411,392.91 × 106,058.09 - Step 4: Simplify right side
274,419.65x = 43,631,546,274.14 - Step 5: Solve for x
x = 43,631,546,274.14/274,419.65 - Step 6: Final answer
x = 158,995.71
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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.