Finding the Fourth Proportional to 247,420.36, 341,440.12 and 134,243.12
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Solution
The fourth proportional to 247,420.36, 341,440.12 and 134,243.12 is: 185,255.52
Step by Step Solution
- Step 1: Write the proportion equation
247,420.36 : 341,440.12 = 134,243.12 : x - Step 2: Convert to fraction form
247,420.36/341,440.12 = 134,243.12/x - Step 3: Cross multiply
247,420.36x = 341,440.12 × 134,243.12 - Step 4: Simplify right side
247,420.36x = 45,835,987,001.97 - Step 5: Solve for x
x = 45,835,987,001.97/247,420.36 - Step 6: Final answer
x = 185,255.52
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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.