Finding the Fourth Proportional to 447,947.68, 618,167.84 and 246,743.68
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Solution
The fourth proportional to 447,947.68, 618,167.84 and 246,743.68 is: 340,506.30
Step by Step Solution
- Step 1: Write the proportion equation
447,947.68 : 618,167.84 = 246,743.68 : x - Step 2: Convert to fraction form
447,947.68/618,167.84 = 246,743.68/x - Step 3: Cross multiply
447,947.68x = 618,167.84 × 246,743.68 - Step 4: Simplify right side
447,947.68x = 152,529,007,699.25 - Step 5: Solve for x
x = 152,529,007,699.25/447,947.68 - Step 6: Final answer
x = 340,506.30
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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.