Finding the Fourth Proportional to 276,029.80, 414,044.70 and 98,542.60
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Solution
The fourth proportional to 276,029.80, 414,044.70 and 98,542.60 is: 147,813.90
Step by Step Solution
- Step 1: Write the proportion equation
276,029.80 : 414,044.70 = 98,542.60 : x - Step 2: Convert to fraction form
276,029.80/414,044.70 = 98,542.60/x - Step 3: Cross multiply
276,029.80x = 414,044.70 × 98,542.60 - Step 4: Simplify right side
276,029.80x = 40,801,041,254.22 - Step 5: Solve for x
x = 40,801,041,254.22/276,029.80 - Step 6: Final answer
x = 147,813.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.