Finding the Fourth Proportional to 550,232.80, 825,349.20 and 474,125.20
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Solution
The fourth proportional to 550,232.80, 825,349.20 and 474,125.20 is: 711,187.80
Step by Step Solution
- Step 1: Write the proportion equation
550,232.80 : 825,349.20 = 474,125.20 : x - Step 2: Convert to fraction form
550,232.80/825,349.20 = 474,125.20/x - Step 3: Cross multiply
550,232.80x = 825,349.20 × 474,125.20 - Step 4: Simplify right side
550,232.80x = 391,318,854,519.84 - Step 5: Solve for x
x = 391,318,854,519.84/550,232.80 - Step 6: Final answer
x = 711,187.80
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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.