Finding the Fourth Proportional to 298,516.07, 411,818.91 and 201,688.67
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Solution
The fourth proportional to 298,516.07, 411,818.91 and 201,688.67 is: 278,240.32
Step by Step Solution
- Step 1: Write the proportion equation
298,516.07 : 411,818.91 = 201,688.67 : x - Step 2: Convert to fraction form
298,516.07/411,818.91 = 201,688.67/x - Step 3: Cross multiply
298,516.07x = 411,818.91 × 201,688.67 - Step 4: Simplify right side
298,516.07x = 83,059,208,238.75 - Step 5: Solve for x
x = 83,059,208,238.75/298,516.07 - Step 6: Final answer
x = 278,240.32
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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.