Finding the Fourth Proportional to 486,477.09, 729,740.24 and 186,852.62
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Solution
The fourth proportional to 486,477.09, 729,740.24 and 186,852.62 is: 280,288.38
Step by Step Solution
- Step 1: Write the proportion equation
486,477.09 : 729,740.24 = 186,852.62 : x - Step 2: Convert to fraction form
486,477.09/729,740.24 = 186,852.62/x - Step 3: Cross multiply
486,477.09x = 729,740.24 × 186,852.62 - Step 4: Simplify right side
486,477.09x = 136,353,877,354.21 - Step 5: Solve for x
x = 136,353,877,354.21/486,477.09 - Step 6: Final answer
x = 280,288.38
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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.