Finding the Fourth Proportional to 499,647.63, 689,519.20 and 270,209.31
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Solution
The fourth proportional to 499,647.63, 689,519.20 and 270,209.31 is: 372,891.81
Step by Step Solution
- Step 1: Write the proportion equation
499,647.63 : 689,519.20 = 270,209.31 : x - Step 2: Convert to fraction form
499,647.63/689,519.20 = 270,209.31/x - Step 3: Cross multiply
499,647.63x = 689,519.20 × 270,209.31 - Step 4: Simplify right side
499,647.63x = 186,314,507,263.75 - Step 5: Solve for x
x = 186,314,507,263.75/499,647.63 - Step 6: Final answer
x = 372,891.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.