Finding the Fourth Proportional to 163,580.70, 245,079.45 and 140,252.70
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Solution
The fourth proportional to 163,580.70, 245,079.45 and 140,252.70 is: 210,129.03
Step by Step Solution
- Step 1: Write the proportion equation
163,580.70 : 245,079.45 = 140,252.70 : x - Step 2: Convert to fraction form
163,580.70/245,079.45 = 140,252.70/x - Step 3: Cross multiply
163,580.70x = 245,079.45 × 140,252.70 - Step 4: Simplify right side
163,580.70x = 34,373,054,577.02 - Step 5: Solve for x
x = 34,373,054,577.02/163,580.70 - Step 6: Final answer
x = 210,129.03
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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.