Finding the Fourth Proportional to 447,953.09, 618,175.26 and 246,749.09
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Solution
The fourth proportional to 447,953.09, 618,175.26 and 246,749.09 is: 340,513.74
Step by Step Solution
- Step 1: Write the proportion equation
447,953.09 : 618,175.26 = 246,749.09 : x - Step 2: Convert to fraction form
447,953.09/618,175.26 = 246,749.09/x - Step 3: Cross multiply
447,953.09x = 618,175.26 × 246,749.09 - Step 4: Simplify right side
447,953.09x = 152,534,179,774.64 - Step 5: Solve for x
x = 152,534,179,774.64/447,953.09 - Step 6: Final answer
x = 340,513.74
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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.