Finding the Fourth Proportional to 513,231.33, 708,197.42 and 283,757.63
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Solution
The fourth proportional to 513,231.33, 708,197.42 and 283,757.63 is: 391,551.35
Step by Step Solution
- Step 1: Write the proportion equation
513,231.33 : 708,197.42 = 283,757.63 : x - Step 2: Convert to fraction form
513,231.33/708,197.42 = 283,757.63/x - Step 3: Cross multiply
513,231.33x = 708,197.42 × 283,757.63 - Step 4: Simplify right side
513,231.33x = 200,956,418,639.72 - Step 5: Solve for x
x = 200,956,418,639.72/513,231.33 - Step 6: Final answer
x = 391,551.35
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1.5x scale
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.