Finding the Fourth Proportional to 307,936.20, 461,904.30 and 202,873.80
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Solution
The fourth proportional to 307,936.20, 461,904.30 and 202,873.80 is: 304,310.70
Step by Step Solution
- Step 1: Write the proportion equation
307,936.20 : 461,904.30 = 202,873.80 : x - Step 2: Convert to fraction form
307,936.20/461,904.30 = 202,873.80/x - Step 3: Cross multiply
307,936.20x = 461,904.30 × 202,873.80 - Step 4: Simplify right side
307,936.20x = 93,708,280,577.34 - Step 5: Solve for x
x = 93,708,280,577.34/307,936.20 - Step 6: Final answer
x = 304,310.70
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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.