Finding the Fourth Proportional to 628,372.38, 942,704.36 and 207,622.74
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Solution
The fourth proportional to 628,372.38, 942,704.36 and 207,622.74 is: 311,482.28
Step by Step Solution
- Step 1: Write the proportion equation
628,372.38 : 942,704.36 = 207,622.74 : x - Step 2: Convert to fraction form
628,372.38/942,704.36 = 207,622.74/x - Step 3: Cross multiply
628,372.38x = 942,704.36 × 207,622.74 - Step 4: Simplify right side
628,372.38x = 195,726,862,233.15 - Step 5: Solve for x
x = 195,726,862,233.15/628,372.38 - Step 6: Final answer
x = 311,482.28
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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.