Finding the Fourth Proportional to 499,505.99, 689,304.24 and 273,146.63
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Solution
The fourth proportional to 499,505.99, 689,304.24 and 273,146.63 is: 376,934.68
Step by Step Solution
- Step 1: Write the proportion equation
499,505.99 : 689,304.24 = 273,146.63 : x - Step 2: Convert to fraction form
499,505.99/689,304.24 = 273,146.63/x - Step 3: Cross multiply
499,505.99x = 689,304.24 × 273,146.63 - Step 4: Simplify right side
499,505.99x = 188,281,126,754.19 - Step 5: Solve for x
x = 188,281,126,754.19/499,505.99 - Step 6: Final answer
x = 376,934.68
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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.