Finding the Fourth Proportional to 305,353.98, 457,809.57 and 205,265.94
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Solution
The fourth proportional to 305,353.98, 457,809.57 and 205,265.94 is: 307,750.08
Step by Step Solution
- Step 1: Write the proportion equation
305,353.98 : 457,809.57 = 205,265.94 : x - Step 2: Convert to fraction form
305,353.98/457,809.57 = 205,265.94/x - Step 3: Cross multiply
305,353.98x = 457,809.57 × 205,265.94 - Step 4: Simplify right side
305,353.98x = 93,972,711,727.05 - Step 5: Solve for x
x = 93,972,711,727.05/305,353.98 - Step 6: Final answer
x = 307,750.08
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1.5x scale
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.