Finding the Fourth Proportional to 300,370.68, 414,069.84 and 228,625.74
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Solution
The fourth proportional to 300,370.68, 414,069.84 and 228,625.74 is: 315,167.32
Step by Step Solution
- Step 1: Write the proportion equation
300,370.68 : 414,069.84 = 228,625.74 : x - Step 2: Convert to fraction form
300,370.68/414,069.84 = 228,625.74/x - Step 3: Cross multiply
300,370.68x = 414,069.84 × 228,625.74 - Step 4: Simplify right side
300,370.68x = 94,667,023,581.68 - Step 5: Solve for x
x = 94,667,023,581.68/300,370.68 - Step 6: Final answer
x = 315,167.32
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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.