Finding the Fourth Proportional to 403,710.97, 605,660.26 and 137,473.79
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Solution
The fourth proportional to 403,710.97, 605,660.26 and 137,473.79 is: 206,242.63
Step by Step Solution
- Step 1: Write the proportion equation
403,710.97 : 605,660.26 = 137,473.79 : x - Step 2: Convert to fraction form
403,710.97/605,660.26 = 137,473.79/x - Step 3: Cross multiply
403,710.97x = 605,660.26 × 137,473.79 - Step 4: Simplify right side
403,710.97x = 83,262,414,628.98 - Step 5: Solve for x
x = 83,262,414,628.98/403,710.97 - Step 6: Final answer
x = 206,242.63
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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.