Finding the Fourth Proportional to 155,252.36, 214,078.74 and 104,863.88
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Solution
The fourth proportional to 155,252.36, 214,078.74 and 104,863.88 is: 144,597.66
Step by Step Solution
- Step 1: Write the proportion equation
155,252.36 : 214,078.74 = 104,863.88 : x - Step 2: Convert to fraction form
155,252.36/214,078.74 = 104,863.88/x - Step 3: Cross multiply
155,252.36x = 214,078.74 × 104,863.88 - Step 4: Simplify right side
155,252.36x = 22,449,127,301.91 - Step 5: Solve for x
x = 22,449,127,301.91/155,252.36 - Step 6: Final answer
x = 144,597.66
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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.