Finding the Fourth Proportional to 87,237.20, 130,855.80 and 24,907.70
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Solution
The fourth proportional to 87,237.20, 130,855.80 and 24,907.70 is: 37,361.54
Step by Step Solution
- Step 1: Write the proportion equation
87,237.20 : 130,855.80 = 24,907.70 : x - Step 2: Convert to fraction form
87,237.20/130,855.80 = 24,907.70/x - Step 3: Cross multiply
87,237.20x = 130,855.80 × 24,907.70 - Step 4: Simplify right side
87,237.20x = 3,259,316,355.38 - Step 5: Solve for x
x = 3,259,316,355.38/87,237.20 - Step 6: Final answer
x = 37,361.54
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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.