Finding the Fourth Proportional to 300,584.19, 450,905.84 and 87,353.95
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Solution
The fourth proportional to 300,584.19, 450,905.84 and 87,353.95 is: 131,039.51
Step by Step Solution
- Step 1: Write the proportion equation
300,584.19 : 450,905.84 = 87,353.95 : x - Step 2: Convert to fraction form
300,584.19/450,905.84 = 87,353.95/x - Step 3: Cross multiply
300,584.19x = 450,905.84 × 87,353.95 - Step 4: Simplify right side
300,584.19x = 39,388,406,202.07 - Step 5: Solve for x
x = 39,388,406,202.07/300,584.19 - Step 6: Final answer
x = 131,039.51
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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.