Finding the Fourth Proportional to 368,715.83, 508,837.69 and 207,576.99
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Solution
The fourth proportional to 368,715.83, 508,837.69 and 207,576.99 is: 286,461.79
Step by Step Solution
- Step 1: Write the proportion equation
368,715.83 : 508,837.69 = 207,576.99 : x - Step 2: Convert to fraction form
368,715.83/508,837.69 = 207,576.99/x - Step 3: Cross multiply
368,715.83x = 508,837.69 × 207,576.99 - Step 4: Simplify right side
368,715.83x = 105,622,995,050.87 - Step 5: Solve for x
x = 105,622,995,050.87/368,715.83 - Step 6: Final answer
x = 286,461.79
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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.