Finding the Fourth Proportional to 499,442.52, 689,232.96 and 273,087.84
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Solution
The fourth proportional to 499,442.52, 689,232.96 and 273,087.84 is: 376,862.47
Step by Step Solution
- Step 1: Write the proportion equation
499,442.52 : 689,232.96 = 273,087.84 : x - Step 2: Convert to fraction form
499,442.52/689,232.96 = 273,087.84/x - Step 3: Cross multiply
499,442.52x = 689,232.96 × 273,087.84 - Step 4: Simplify right side
499,442.52x = 188,221,140,303.21 - Step 5: Solve for x
x = 188,221,140,303.21/499,442.52 - Step 6: Final answer
x = 376,862.47
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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.