Finding the Fourth Proportional to 513,659.84, 708,836.92 and 284,211.14
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Solution
The fourth proportional to 513,659.84, 708,836.92 and 284,211.14 is: 392,203.82
Step by Step Solution
- Step 1: Write the proportion equation
513,659.84 : 708,836.92 = 284,211.14 : x - Step 2: Convert to fraction form
513,659.84/708,836.92 = 284,211.14/x - Step 3: Cross multiply
513,659.84x = 708,836.92 × 284,211.14 - Step 4: Simplify right side
513,659.84x = 201,459,349,107.29 - Step 5: Solve for x
x = 201,459,349,107.29/513,659.84 - Step 6: Final answer
x = 392,203.82
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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.