Finding the Fourth Proportional to 300,427.68, 414,148.50 and 228,682.74
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Solution
The fourth proportional to 300,427.68, 414,148.50 and 228,682.74 is: 315,245.96
Step by Step Solution
- Step 1: Write the proportion equation
300,427.68 : 414,148.50 = 228,682.74 : x - Step 2: Convert to fraction form
300,427.68/414,148.50 = 228,682.74/x - Step 3: Cross multiply
300,427.68x = 414,148.50 × 228,682.74 - Step 4: Simplify right side
300,427.68x = 94,708,613,746.89 - Step 5: Solve for x
x = 94,708,613,746.89/300,427.68 - Step 6: Final answer
x = 315,245.96
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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.