Finding the Fourth Proportional to 518,496.09, 777,744.60 and 144,519.09
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Solution
The fourth proportional to 518,496.09, 777,744.60 and 144,519.09 is: 216,778.76
Step by Step Solution
- Step 1: Write the proportion equation
518,496.09 : 777,744.60 = 144,519.09 : x - Step 2: Convert to fraction form
518,496.09/777,744.60 = 144,519.09/x - Step 3: Cross multiply
518,496.09x = 777,744.60 × 144,519.09 - Step 4: Simplify right side
518,496.09x = 112,398,937,955.69 - Step 5: Solve for x
x = 112,398,937,955.69/518,496.09 - Step 6: Final answer
x = 216,778.76
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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.