Finding the Fourth Proportional to 474,919.05, 655,380.47 and 257,125.99
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Solution
The fourth proportional to 474,919.05, 655,380.47 and 257,125.99 is: 354,829.62
Step by Step Solution
- Step 1: Write the proportion equation
474,919.05 : 655,380.47 = 257,125.99 : x - Step 2: Convert to fraction form
474,919.05/655,380.47 = 257,125.99/x - Step 3: Cross multiply
474,919.05x = 655,380.47 × 257,125.99 - Step 4: Simplify right side
474,919.05x = 168,515,347,612.88 - Step 5: Solve for x
x = 168,515,347,612.88/474,919.05 - Step 6: Final answer
x = 354,829.62
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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.