Finding the Fourth Proportional to 511,451.93, 767,208.63 and 156,469.03
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Solution
The fourth proportional to 511,451.93, 767,208.63 and 156,469.03 is: 234,712.95
Step by Step Solution
- Step 1: Write the proportion equation
511,451.93 : 767,208.63 = 156,469.03 : x - Step 2: Convert to fraction form
511,451.93/767,208.63 = 156,469.03/x - Step 3: Cross multiply
511,451.93x = 767,208.63 × 156,469.03 - Step 4: Simplify right side
511,451.93x = 120,044,390,143.73 - Step 5: Solve for x
x = 120,044,390,143.73/511,451.93 - Step 6: Final answer
x = 234,712.95
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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.