Finding the Fourth Proportional to 247,407.12, 341,420.40 and 134,227.44
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Solution
The fourth proportional to 247,407.12, 341,420.40 and 134,227.44 is: 185,233.09
Step by Step Solution
- Step 1: Write the proportion equation
247,407.12 : 341,420.40 = 134,227.44 : x - Step 2: Convert to fraction form
247,407.12/341,420.40 = 134,227.44/x - Step 3: Cross multiply
247,407.12x = 341,420.40 × 134,227.44 - Step 4: Simplify right side
247,407.12x = 45,827,986,255.78 - Step 5: Solve for x
x = 45,827,986,255.78/247,407.12 - Step 6: Final answer
x = 185,233.09
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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.