Finding the Fourth Proportional to 280,594.08, 420,891.08 and 103,024.26
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Solution
The fourth proportional to 280,594.08, 420,891.08 and 103,024.26 is: 154,536.37
Step by Step Solution
- Step 1: Write the proportion equation
280,594.08 : 420,891.08 = 103,024.26 : x - Step 2: Convert to fraction form
280,594.08/420,891.08 = 103,024.26/x - Step 3: Cross multiply
280,594.08x = 420,891.08 × 103,024.26 - Step 4: Simplify right side
280,594.08x = 43,361,991,542.48 - Step 5: Solve for x
x = 43,361,991,542.48/280,594.08 - Step 6: Final answer
x = 154,536.37
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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.