Finding the Fourth Proportional to 474,922.98, 655,394.76 and 257,133.96
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Solution
The fourth proportional to 474,922.98, 655,394.76 and 257,133.96 is: 354,845.43
Step by Step Solution
- Step 1: Write the proportion equation
474,922.98 : 655,394.76 = 257,133.96 : x - Step 2: Convert to fraction form
474,922.98/655,394.76 = 257,133.96/x - Step 3: Cross multiply
474,922.98x = 655,394.76 × 257,133.96 - Step 4: Simplify right side
474,922.98x = 168,524,250,002.05 - Step 5: Solve for x
x = 168,524,250,002.05/474,922.98 - Step 6: Final answer
x = 354,845.43
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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.