Finding the Fourth Proportional to 486,479.09, 729,743.24 and 186,854.62
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Solution
The fourth proportional to 486,479.09, 729,743.24 and 186,854.62 is: 280,291.38
Step by Step Solution
- Step 1: Write the proportion equation
486,479.09 : 729,743.24 = 186,854.62 : x - Step 2: Convert to fraction form
486,479.09/729,743.24 = 186,854.62/x - Step 3: Cross multiply
486,479.09x = 729,743.24 × 186,854.62 - Step 4: Simplify right side
486,479.09x = 136,355,895,807.77 - Step 5: Solve for x
x = 136,355,895,807.77/486,479.09 - Step 6: Final answer
x = 280,291.38
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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.