Finding the Fourth Proportional to 256,497.99, 354,194.19 and 159,866.77
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Solution
The fourth proportional to 256,497.99, 354,194.19 and 159,866.77 is: 220,757.60
Step by Step Solution
- Step 1: Write the proportion equation
256,497.99 : 354,194.19 = 159,866.77 : x - Step 2: Convert to fraction form
256,497.99/354,194.19 = 159,866.77/x - Step 3: Cross multiply
256,497.99x = 354,194.19 × 159,866.77 - Step 4: Simplify right side
256,497.99x = 56,623,879,337.10 - Step 5: Solve for x
x = 56,623,879,337.10/256,497.99 - Step 6: Final answer
x = 220,757.60
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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.