Finding the Fourth Proportional to 300,014.10, 450,072.99 and 122,617.62
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Solution
The fourth proportional to 300,014.10, 450,072.99 and 122,617.62 is: 183,947.62
Step by Step Solution
- Step 1: Write the proportion equation
300,014.10 : 450,072.99 = 122,617.62 : x - Step 2: Convert to fraction form
300,014.10/450,072.99 = 122,617.62/x - Step 3: Cross multiply
300,014.10x = 450,072.99 × 122,617.62 - Step 4: Simplify right side
300,014.10x = 55,186,878,860.08 - Step 5: Solve for x
x = 55,186,878,860.08/300,014.10 - Step 6: Final answer
x = 183,947.62
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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.