Finding the Fourth Proportional to 280,280.52, 420,170.79 and 102,746.09
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Solution
The fourth proportional to 280,280.52, 420,170.79 and 102,746.09 is: 154,027.50
Step by Step Solution
- Step 1: Write the proportion equation
280,280.52 : 420,170.79 = 102,746.09 : x - Step 2: Convert to fraction form
280,280.52/420,170.79 = 102,746.09/x - Step 3: Cross multiply
280,280.52x = 420,170.79 × 102,746.09 - Step 4: Simplify right side
280,280.52x = 43,170,906,855.14 - Step 5: Solve for x
x = 43,170,906,855.14/280,280.52 - Step 6: Final answer
x = 154,027.50
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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.