Finding the Fourth Proportional to 403,523.80, 605,220.90 and 122,975.80
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Solution
The fourth proportional to 403,523.80, 605,220.90 and 122,975.80 is: 184,443.95
Step by Step Solution
- Step 1: Write the proportion equation
403,523.80 : 605,220.90 = 122,975.80 : x - Step 2: Convert to fraction form
403,523.80/605,220.90 = 122,975.80/x - Step 3: Cross multiply
403,523.80x = 605,220.90 × 122,975.80 - Step 4: Simplify right side
403,523.80x = 74,427,524,354.22 - Step 5: Solve for x
x = 74,427,524,354.22/403,523.80 - Step 6: Final answer
x = 184,443.95
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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.