Finding the Fourth Proportional to 124,261.24, 186,257.80 and 61,007.80
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Solution
The fourth proportional to 124,261.24, 186,257.80 and 61,007.80 is: 91,445.88
Step by Step Solution
- Step 1: Write the proportion equation
124,261.24 : 186,257.80 = 61,007.80 : x - Step 2: Convert to fraction form
124,261.24/186,257.80 = 61,007.80/x - Step 3: Cross multiply
124,261.24x = 186,257.80 × 61,007.80 - Step 4: Simplify right side
124,261.24x = 11,363,178,610.84 - Step 5: Solve for x
x = 11,363,178,610.84/124,261.24 - Step 6: Final answer
x = 91,445.88
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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.