Finding the Fourth Proportional to 193,268.80, 289,903.20 and 130,283.20
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Solution
The fourth proportional to 193,268.80, 289,903.20 and 130,283.20 is: 195,424.80
Step by Step Solution
- Step 1: Write the proportion equation
193,268.80 : 289,903.20 = 130,283.20 : x - Step 2: Convert to fraction form
193,268.80/289,903.20 = 130,283.20/x - Step 3: Cross multiply
193,268.80x = 289,903.20 × 130,283.20 - Step 4: Simplify right side
193,268.80x = 37,769,516,586.24 - Step 5: Solve for x
x = 37,769,516,586.24/193,268.80 - Step 6: Final answer
x = 195,424.80
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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.