Finding the Fourth Proportional to 511,450.57, 767,148.12 and 156,464.62
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Solution
The fourth proportional to 511,450.57, 767,148.12 and 156,464.62 is: 234,688.45
Step by Step Solution
- Step 1: Write the proportion equation
511,450.57 : 767,148.12 = 156,464.62 : x - Step 2: Convert to fraction form
511,450.57/767,148.12 = 156,464.62/x - Step 3: Cross multiply
511,450.57x = 767,148.12 × 156,464.62 - Step 4: Simplify right side
511,450.57x = 120,031,539,079.51 - Step 5: Solve for x
x = 120,031,539,079.51/511,450.57 - Step 6: Final answer
x = 234,688.45
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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.