Finding the Fourth Proportional to 531,995.80, 798,029.70 and 216,458.20
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Solution
The fourth proportional to 531,995.80, 798,029.70 and 216,458.20 is: 324,701.95
Step by Step Solution
- Step 1: Write the proportion equation
531,995.80 : 798,029.70 = 216,458.20 : x - Step 2: Convert to fraction form
531,995.80/798,029.70 = 216,458.20/x - Step 3: Cross multiply
531,995.80x = 798,029.70 × 216,458.20 - Step 4: Simplify right side
531,995.80x = 172,740,072,408.54 - Step 5: Solve for x
x = 172,740,072,408.54/531,995.80 - Step 6: Final answer
x = 324,701.95
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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.