Finding the Fourth Proportional to 447,948.68, 618,169.22 and 246,744.68
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Solution
The fourth proportional to 447,948.68, 618,169.22 and 246,744.68 is: 340,507.68
Step by Step Solution
- Step 1: Write the proportion equation
447,948.68 : 618,169.22 = 246,744.68 : x - Step 2: Convert to fraction form
447,948.68/618,169.22 = 246,744.68/x - Step 3: Cross multiply
447,948.68x = 618,169.22 × 246,744.68 - Step 4: Simplify right side
447,948.68x = 152,529,966,374.75 - Step 5: Solve for x
x = 152,529,966,374.75/447,948.68 - Step 6: Final answer
x = 340,507.68
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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.