Finding the Fourth Proportional to 130,263.44, 195,389.19 and 54,330.62
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Solution
The fourth proportional to 130,263.44, 195,389.19 and 54,330.62 is: 81,493.44
Step by Step Solution
- Step 1: Write the proportion equation
130,263.44 : 195,389.19 = 54,330.62 : x - Step 2: Convert to fraction form
130,263.44/195,389.19 = 54,330.62/x - Step 3: Cross multiply
130,263.44x = 195,389.19 × 54,330.62 - Step 4: Simplify right side
130,263.44x = 10,615,614,857.05 - Step 5: Solve for x
x = 10,615,614,857.05/130,263.44 - Step 6: Final answer
x = 81,493.44
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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.