Finding the Fourth Proportional to 325,535.80, 449,395.16 and 216,821.06
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Solution
The fourth proportional to 325,535.80, 449,395.16 and 216,821.06 is: 299,316.80
Step by Step Solution
- Step 1: Write the proportion equation
325,535.80 : 449,395.16 = 216,821.06 : x - Step 2: Convert to fraction form
325,535.80/449,395.16 = 216,821.06/x - Step 3: Cross multiply
325,535.80x = 449,395.16 × 216,821.06 - Step 4: Simplify right side
325,535.80x = 97,438,334,950.07 - Step 5: Solve for x
x = 97,438,334,950.07/325,535.80 - Step 6: Final answer
x = 299,316.80
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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.