Finding the Fourth Proportional to 327,494.08, 450,850.08 and 312,447.52
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Solution
The fourth proportional to 327,494.08, 450,850.08 and 312,447.52 is: 430,135.99
Step by Step Solution
- Step 1: Write the proportion equation
327,494.08 : 450,850.08 = 312,447.52 : x - Step 2: Convert to fraction form
327,494.08/450,850.08 = 312,447.52/x - Step 3: Cross multiply
327,494.08x = 450,850.08 × 312,447.52 - Step 4: Simplify right side
327,494.08x = 140,866,989,387.80 - Step 5: Solve for x
x = 140,866,989,387.80/327,494.08 - Step 6: Final answer
x = 430,135.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.