Finding the Fourth Proportional to 326,299.12, 450,292.71 and 190,426.48
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Solution
The fourth proportional to 326,299.12, 450,292.71 and 190,426.48 is: 262,788.50
Step by Step Solution
- Step 1: Write the proportion equation
326,299.12 : 450,292.71 = 190,426.48 : x - Step 2: Convert to fraction form
326,299.12/450,292.71 = 190,426.48/x - Step 3: Cross multiply
326,299.12x = 450,292.71 × 190,426.48 - Step 4: Simplify right side
326,299.12x = 85,747,655,734.96 - Step 5: Solve for x
x = 85,747,655,734.96/326,299.12 - Step 6: Final answer
x = 262,788.50
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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.