Finding the Fourth Proportional to 130,246.70, 179,729.73 and 72,883.05
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Solution
The fourth proportional to 130,246.70, 179,729.73 and 72,883.05 is: 100,572.62
Step by Step Solution
- Step 1: Write the proportion equation
130,246.70 : 179,729.73 = 72,883.05 : x - Step 2: Convert to fraction form
130,246.70/179,729.73 = 72,883.05/x - Step 3: Cross multiply
130,246.70x = 179,729.73 × 72,883.05 - Step 4: Simplify right side
130,246.70x = 13,099,250,898.08 - Step 5: Solve for x
x = 13,099,250,898.08/130,246.70 - Step 6: Final answer
x = 100,572.62
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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.