Finding the Fourth Proportional to 573,136.20, 859,704.30 and 307,415.70
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Solution
The fourth proportional to 573,136.20, 859,704.30 and 307,415.70 is: 461,123.55
Step by Step Solution
- Step 1: Write the proportion equation
573,136.20 : 859,704.30 = 307,415.70 : x - Step 2: Convert to fraction form
573,136.20/859,704.30 = 307,415.70/x - Step 3: Cross multiply
573,136.20x = 859,704.30 × 307,415.70 - Step 4: Simplify right side
573,136.20x = 264,286,599,177.51 - Step 5: Solve for x
x = 264,286,599,177.51/573,136.20 - Step 6: Final answer
x = 461,123.55
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Similar ratio
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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.