Finding the Fourth Proportional to 310,471.28, 465,887.62 and 130,543.68
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Solution
The fourth proportional to 310,471.28, 465,887.62 and 130,543.68 is: 195,891.50
Step by Step Solution
- Step 1: Write the proportion equation
310,471.28 : 465,887.62 = 130,543.68 : x - Step 2: Convert to fraction form
310,471.28/465,887.62 = 130,543.68/x - Step 3: Cross multiply
310,471.28x = 465,887.62 × 130,543.68 - Step 4: Simplify right side
310,471.28x = 60,818,684,381.24 - Step 5: Solve for x
x = 60,818,684,381.24/310,471.28 - Step 6: Final answer
x = 195,891.50
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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.