Finding the Fourth Proportional to 499,853.70, 689,794.99 and 270,410.06
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Solution
The fourth proportional to 499,853.70, 689,794.99 and 270,410.06 is: 373,164.20
Step by Step Solution
- Step 1: Write the proportion equation
499,853.70 : 689,794.99 = 270,410.06 : x - Step 2: Convert to fraction form
499,853.70/689,794.99 = 270,410.06/x - Step 3: Cross multiply
499,853.70x = 689,794.99 × 270,410.06 - Step 4: Simplify right side
499,853.70x = 186,527,505,682.06 - Step 5: Solve for x
x = 186,527,505,682.06/499,853.70 - Step 6: Final answer
x = 373,164.20
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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.