Finding the Fourth Proportional to 513,137.21, 708,098.84 and 283,680.76
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Solution
The fourth proportional to 513,137.21, 708,098.84 and 283,680.76 is: 391,462.58
Step by Step Solution
- Step 1: Write the proportion equation
513,137.21 : 708,098.84 = 283,680.76 : x - Step 2: Convert to fraction form
513,137.21/708,098.84 = 283,680.76/x - Step 3: Cross multiply
513,137.21x = 708,098.84 × 283,680.76 - Step 4: Simplify right side
513,137.21x = 200,874,017,086.32 - Step 5: Solve for x
x = 200,874,017,086.32/513,137.21 - Step 6: Final answer
x = 391,462.58
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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.