Finding the Fourth Proportional to 167,991.21, 252,013.55 and 55,675.40
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Solution
The fourth proportional to 167,991.21, 252,013.55 and 55,675.40 is: 83,521.95
Step by Step Solution
- Step 1: Write the proportion equation
167,991.21 : 252,013.55 = 55,675.40 : x - Step 2: Convert to fraction form
167,991.21/252,013.55 = 55,675.40/x - Step 3: Cross multiply
167,991.21x = 252,013.55 × 55,675.40 - Step 4: Simplify right side
167,991.21x = 14,030,953,663.23 - Step 5: Solve for x
x = 14,030,953,663.23/167,991.21 - Step 6: Final answer
x = 83,521.95
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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.