Finding the Fourth Proportional to 447,912.68, 618,119.40 and 246,708.68
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Solution
The fourth proportional to 447,912.68, 618,119.40 and 246,708.68 is: 340,457.92
Step by Step Solution
- Step 1: Write the proportion equation
447,912.68 : 618,119.40 = 246,708.68 : x - Step 2: Convert to fraction form
447,912.68/618,119.40 = 246,708.68/x - Step 3: Cross multiply
447,912.68x = 618,119.40 × 246,708.68 - Step 4: Simplify right side
447,912.68x = 152,495,421,256.39 - Step 5: Solve for x
x = 152,495,421,256.39/447,912.68 - Step 6: Final answer
x = 340,457.92
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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.