Finding the Fourth Proportional to 545,455.73, 817,281.44 and 278,849.49
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Solution
The fourth proportional to 545,455.73, 817,281.44 and 278,849.49 is: 417,813.03
Step by Step Solution
- Step 1: Write the proportion equation
545,455.73 : 817,281.44 = 278,849.49 : x - Step 2: Convert to fraction form
545,455.73/817,281.44 = 278,849.49/x - Step 3: Cross multiply
545,455.73x = 817,281.44 × 278,849.49 - Step 4: Simplify right side
545,455.73x = 227,898,511,336.22 - Step 5: Solve for x
x = 227,898,511,336.22/545,455.73 - Step 6: Final answer
x = 417,813.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.