Finding the Fourth Proportional to 104,514.74, 144,230.58 and 56,767.08
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Solution
The fourth proportional to 104,514.74, 144,230.58 and 56,767.08 is: 78,338.70
Step by Step Solution
- Step 1: Write the proportion equation
104,514.74 : 144,230.58 = 56,767.08 : x - Step 2: Convert to fraction form
104,514.74/144,230.58 = 56,767.08/x - Step 3: Cross multiply
104,514.74x = 144,230.58 × 56,767.08 - Step 4: Simplify right side
104,514.74x = 8,187,548,873.31 - Step 5: Solve for x
x = 8,187,548,873.31/104,514.74 - Step 6: Final answer
x = 78,338.70
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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.