Finding the Fourth Proportional to 499,298.58, 689,032.08 and 272,944.08
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Solution
The fourth proportional to 499,298.58, 689,032.08 and 272,944.08 is: 376,662.85
Step by Step Solution
- Step 1: Write the proportion equation
499,298.58 : 689,032.08 = 272,944.08 : x - Step 2: Convert to fraction form
499,298.58/689,032.08 = 272,944.08/x - Step 3: Cross multiply
499,298.58x = 689,032.08 × 272,944.08 - Step 4: Simplify right side
499,298.58x = 188,067,227,166.09 - Step 5: Solve for x
x = 188,067,227,166.09/499,298.58 - Step 6: Final answer
x = 376,662.85
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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.