Finding the Fourth Proportional to 550,854.09, 760,161.57 and 305,833.53
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Solution
The fourth proportional to 550,854.09, 760,161.57 and 305,833.53 is: 422,040.79
Step by Step Solution
- Step 1: Write the proportion equation
550,854.09 : 760,161.57 = 305,833.53 : x - Step 2: Convert to fraction form
550,854.09/760,161.57 = 305,833.53/x - Step 3: Cross multiply
550,854.09x = 760,161.57 × 305,833.53 - Step 4: Simplify right side
550,854.09x = 232,482,896,323.44 - Step 5: Solve for x
x = 232,482,896,323.44/550,854.09 - Step 6: Final answer
x = 422,040.79
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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.