Finding the Fourth Proportional to 817,855.80, 1,226,783.70 and 226,879.80
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Solution
The fourth proportional to 817,855.80, 1,226,783.70 and 226,879.80 is: 340,319.70
Step by Step Solution
- Step 1: Write the proportion equation
817,855.80 : 1,226,783.70 = 226,879.80 : x - Step 2: Convert to fraction form
817,855.80/1,226,783.70 = 226,879.80/x - Step 3: Cross multiply
817,855.80x = 1,226,783.70 × 226,879.80 - Step 4: Simplify right side
817,855.80x = 278,332,440,499.26 - Step 5: Solve for x
x = 278,332,440,499.26/817,855.80 - Step 6: Final answer
x = 340,319.70
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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.