Finding the Fourth Proportional to 159,798.99, 220,443.62 and 104,575.62
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Solution
The fourth proportional to 159,798.99, 220,443.62 and 104,575.62 is: 144,262.66
Step by Step Solution
- Step 1: Write the proportion equation
159,798.99 : 220,443.62 = 104,575.62 : x - Step 2: Convert to fraction form
159,798.99/220,443.62 = 104,575.62/x - Step 3: Cross multiply
159,798.99x = 220,443.62 × 104,575.62 - Step 4: Simplify right side
159,798.99x = 23,053,027,713.67 - Step 5: Solve for x
x = 23,053,027,713.67/159,798.99 - Step 6: Final answer
x = 144,262.66
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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.