Finding the Fourth Proportional to 106,290.99, 146,679.81 and 58,548.78
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Solution
The fourth proportional to 106,290.99, 146,679.81 and 58,548.78 is: 80,796.35
Step by Step Solution
- Step 1: Write the proportion equation
106,290.99 : 146,679.81 = 58,548.78 : x - Step 2: Convert to fraction form
106,290.99/146,679.81 = 58,548.78/x - Step 3: Cross multiply
106,290.99x = 146,679.81 × 58,548.78 - Step 4: Simplify right side
106,290.99x = 8,587,923,926.13 - Step 5: Solve for x
x = 8,587,923,926.13/106,290.99 - Step 6: Final answer
x = 80,796.35
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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.