Finding the Fourth Proportional to 130,243.74, 195,359.68 and 54,310.94
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Solution
The fourth proportional to 130,243.74, 195,359.68 and 54,310.94 is: 81,463.94
Step by Step Solution
- Step 1: Write the proportion equation
130,243.74 : 195,359.68 = 54,310.94 : x - Step 2: Convert to fraction form
130,243.74/195,359.68 = 54,310.94/x - Step 3: Cross multiply
130,243.74x = 195,359.68 × 54,310.94 - Step 4: Simplify right side
130,243.74x = 10,610,167,682.59 - Step 5: Solve for x
x = 10,610,167,682.59/130,243.74 - Step 6: Final answer
x = 81,463.94
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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.