Finding the Fourth Proportional to 522,639.36, 783,622.08 and 223,315.20
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Solution
The fourth proportional to 522,639.36, 783,622.08 and 223,315.20 is: 334,828.82
Step by Step Solution
- Step 1: Write the proportion equation
522,639.36 : 783,622.08 = 223,315.20 : x - Step 2: Convert to fraction form
522,639.36/783,622.08 = 223,315.20/x - Step 3: Cross multiply
522,639.36x = 783,622.08 × 223,315.20 - Step 4: Simplify right side
522,639.36x = 174,994,721,519.62 - Step 5: Solve for x
x = 174,994,721,519.62/522,639.36 - Step 6: Final answer
x = 334,828.82
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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.