Finding the Fourth Proportional to 513,170.96, 708,163.69 and 286,837.52
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Solution
The fourth proportional to 513,170.96, 708,163.69 and 286,837.52 is: 395,828.94
Step by Step Solution
- Step 1: Write the proportion equation
513,170.96 : 708,163.69 = 286,837.52 : x - Step 2: Convert to fraction form
513,170.96/708,163.69 = 286,837.52/x - Step 3: Cross multiply
513,170.96x = 708,163.69 × 286,837.52 - Step 4: Simplify right side
513,170.96x = 203,127,916,593.65 - Step 5: Solve for x
x = 203,127,916,593.65/513,170.96 - Step 6: Final answer
x = 395,828.94
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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.