Finding the Fourth Proportional to 474,878.81, 655,327.77 and 257,082.62
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Solution
The fourth proportional to 474,878.81, 655,327.77 and 257,082.62 is: 354,771.31
Step by Step Solution
- Step 1: Write the proportion equation
474,878.81 : 655,327.77 = 257,082.62 : x - Step 2: Convert to fraction form
474,878.81/655,327.77 = 257,082.62/x - Step 3: Cross multiply
474,878.81x = 655,327.77 × 257,082.62 - Step 4: Simplify right side
474,878.81x = 168,473,376,793.72 - Step 5: Solve for x
x = 168,473,376,793.72/474,878.81 - Step 6: Final answer
x = 354,771.31
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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.