Finding the Fourth Proportional to 124,304.36, 171,466.62 and 87,964.84
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Solution
The fourth proportional to 124,304.36, 171,466.62 and 87,964.84 is: 121,339.54
Step by Step Solution
- Step 1: Write the proportion equation
124,304.36 : 171,466.62 = 87,964.84 : x - Step 2: Convert to fraction form
124,304.36/171,466.62 = 87,964.84/x - Step 3: Cross multiply
124,304.36x = 171,466.62 × 87,964.84 - Step 4: Simplify right side
124,304.36x = 15,083,033,793.64 - Step 5: Solve for x
x = 15,083,033,793.64/124,304.36 - Step 6: Final answer
x = 121,339.54
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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.