Finding the Fourth Proportional to 548,101.99, 821,965.62 and 278,126.00
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Solution
The fourth proportional to 548,101.99, 821,965.62 and 278,126.00 is: 417,093.93
Step by Step Solution
- Step 1: Write the proportion equation
548,101.99 : 821,965.62 = 278,126.00 : x - Step 2: Convert to fraction form
548,101.99/821,965.62 = 278,126.00/x - Step 3: Cross multiply
548,101.99x = 821,965.62 × 278,126.00 - Step 4: Simplify right side
548,101.99x = 228,610,014,667.19 - Step 5: Solve for x
x = 228,610,014,667.19/548,101.99 - Step 6: Final answer
x = 417,093.93
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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.