Finding the Fourth Proportional to 426,305.80, 639,750.30 and 236,765.80
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Solution
The fourth proportional to 426,305.80, 639,750.30 and 236,765.80 is: 355,310.65
Step by Step Solution
- Step 1: Write the proportion equation
426,305.80 : 639,750.30 = 236,765.80 : x - Step 2: Convert to fraction form
426,305.80/639,750.30 = 236,765.80/x - Step 3: Cross multiply
426,305.80x = 639,750.30 × 236,765.80 - Step 4: Simplify right side
426,305.80x = 151,470,991,579.74 - Step 5: Solve for x
x = 151,470,991,579.74/426,305.80 - Step 6: Final answer
x = 355,310.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.