Finding the Fourth Proportional to 372,611.20, 558,873.60 and 106,412.80
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Solution
The fourth proportional to 372,611.20, 558,873.60 and 106,412.80 is: 159,606.86
Step by Step Solution
- Step 1: Write the proportion equation
372,611.20 : 558,873.60 = 106,412.80 : x - Step 2: Convert to fraction form
372,611.20/558,873.60 = 106,412.80/x - Step 3: Cross multiply
372,611.20x = 558,873.60 × 106,412.80 - Step 4: Simplify right side
372,611.20x = 59,471,304,622.08 - Step 5: Solve for x
x = 59,471,304,622.08/372,611.20 - Step 6: Final answer
x = 159,606.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.