Finding the Fourth Proportional to 162,028.08, 223,562.88 and 94,005.63
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Solution
The fourth proportional to 162,028.08, 223,562.88 and 94,005.63 is: 129,706.96
Step by Step Solution
- Step 1: Write the proportion equation
162,028.08 : 223,562.88 = 94,005.63 : x - Step 2: Convert to fraction form
162,028.08/223,562.88 = 94,005.63/x - Step 3: Cross multiply
162,028.08x = 223,562.88 × 94,005.63 - Step 4: Simplify right side
162,028.08x = 21,016,169,379.01 - Step 5: Solve for x
x = 21,016,169,379.01/162,028.08 - Step 6: Final answer
x = 129,706.96
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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.