Finding the Fourth Proportional to 570,052.20, 854,543.70 and 215,304.60
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Solution
The fourth proportional to 570,052.20, 854,543.70 and 215,304.60 is: 322,754.99
Step by Step Solution
- Step 1: Write the proportion equation
570,052.20 : 854,543.70 = 215,304.60 : x - Step 2: Convert to fraction form
570,052.20/854,543.70 = 215,304.60/x - Step 3: Cross multiply
570,052.20x = 854,543.70 × 215,304.60 - Step 4: Simplify right side
570,052.20x = 183,987,189,511.02 - Step 5: Solve for x
x = 183,987,189,511.02/570,052.20 - Step 6: Final answer
x = 322,754.99
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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.